Cherry shrimp and Amano shrimp are two of the most popular freshwater shrimp in the aquarium hobby. Both are peaceful, fascinating to watch, and useful additions to planted aquariums. They spend much of their time exploring plants, grazing on aquarium surfaces, and searching for tiny particles of food. However, despite these similarities, the two species have some important differences that can influence which one is best for your aquarium.
Cherry shrimp are famous for their vibrant colors and ability to establish thriving breeding colonies in freshwater. Their small size makes them particularly attractive for planted nano aquariums, where a group of bright red shrimp can create a striking contrast against green moss and aquatic plants.
Amano shrimp, on the other hand, are larger, more translucent, and especially well known for their appetite for certain types of algae. They are frequently recommended for planted aquariums where algae control is a priority. Although Amano shrimp can carry eggs in freshwater, their larvae require saline water to complete development, so they do not establish self-reproducing colonies in ordinary freshwater aquariums.
The biggest difference is that cherry shrimp are ideal for colorful freshwater breeding colonies, while Amano shrimp are generally better at eating nuisance algae and do not reproduce successfully in a normal freshwater tank.
Both species can be excellent choices for beginners, but their different sizes, breeding habits, feeding behaviors, and aquarium requirements are worth understanding before you buy them.
In this guide, we will compare cherry shrimp and Amano shrimp in detail, including their appearance, adult size, lifespan, algae-eating abilities, water requirements, tank mates, breeding behavior, and suitability for beginners. We will also explain whether you can keep them together and which shrimp is the better choice for different aquarium setups.
🦐 Cherry Shrimp vs. Amano Shrimp: Quick Comparison
Although cherry shrimp and Amano shrimp share many basic care requirements, they are different species with distinct characteristics.
| Feature | Cherry Shrimp | Amano Shrimp |
|---|---|---|
| Scientific name | Neocaridina davidi | Caridina multidentata |
| Adult size | Approximately 1–1.5 inches | Approximately 1.5–2 inches |
| Appearance | Bright red or other selectively bred colors | Translucent gray, tan, or greenish body with markings |
| Typical lifespan | Around 1–2 years | Often 2–3 years or longer |
| Temperament | Peaceful, often shy | Peaceful, frequently bold when feeding |
| Main diet | Biofilm, soft algae, detritus, supplemental foods | Algae, biofilm, detritus, supplemental foods |
| Algae control | Good for grazing on soft films and biofilm | Particularly useful for some hair and thread algae |
| Breeding in freshwater | Yes, usually readily | Eggs can hatch, but larvae cannot develop normally |
| Suggested beginner tank | 5 gallons minimum; 10+ preferred | 10 gallons or larger recommended |
| Water temperature | Approximately 68–78°F | Approximately 65–82°F |
| pH | Approximately 6.5–8.0 | Approximately 6.0–8.0 |
| Best for | Colorful shrimp colonies and breeding | Algae grazing and peaceful community aquariums |
| Beginner difficulty | Easy in a mature aquarium | Easy in a mature aquarium |
These values are practical care guidelines rather than rigid boundaries. Both shrimp benefit from stable water conditions, appropriate dissolved minerals, natural grazing surfaces, and careful acclimation.
The most important considerations are what you want from your shrimp and whether your aquarium can provide a suitable environment.
🔍 What Are Cherry Shrimp?
Cherry shrimp are a selectively bred color variety of Neocaridina davidi, a small freshwater shrimp species originally associated with freshwater habitats in East Asia, particularly Taiwan and China.
Wild Neocaridina davidi are generally translucent, brownish, or mottled rather than bright red. Their more subdued coloration helps them blend into natural environments, where they spend much of their time grazing on biofilm, algae, microorganisms, and organic material.
Through selective breeding, aquarists have developed numerous colorful varieties of this species. Red cherry shrimp are among the most recognizable, but other strains include yellow, orange, blue, green, black, and patterned varieties.
Adult cherry shrimp generally reach approximately 1 to 1.5 inches (2.5–4 cm), with females usually growing larger and developing a more rounded abdomen than males.
Cherry shrimp are especially popular because they breed readily in freshwater. When mature males and females are kept in suitable conditions, females may carry eggs and eventually release tiny, fully formed shrimp.
In a well-established planted aquarium without fish that eat the babies, a small starting group may gradually become a colony containing dozens of shrimp.
Their colorful appearance, peaceful behavior, and relatively straightforward breeding requirements make them particularly appealing for people who want an aquarium focused on shrimp rather than fish.
For a complete introduction to their husbandry, see our Cherry Shrimp Care Guide.
🌿 What Are Amano Shrimp?
Amano shrimp are a freshwater shrimp species scientifically known as Caridina multidentata. They were previously classified as Caridina japonica, a name that still occasionally appears in older aquarium references.
The species is native to parts of East Asia, including Japan and Taiwan, where it inhabits freshwater environments connected to coastal waters.
Amano shrimp became especially well known in the aquarium hobby through the work of Japanese aquascaper Takashi Amano. He popularized their use in planted aquariums because of their ability to graze on nuisance algae and help maintain attractive aquascapes.
Unlike brightly colored cherry shrimp, Amano shrimp have a more natural appearance. Their bodies are generally translucent gray, tan, or slightly greenish, with rows of small brown or reddish markings along their sides.
Adult Amano shrimp commonly reach approximately 1.5 to 2 inches (4–5 cm), making them noticeably larger than most cherry shrimp. Females are usually larger and more robust than males.
Amano shrimp are energetic foragers and may behave quite boldly when food enters the aquarium. It is not unusual to see one grab a sinking pellet or piece of food and carry it away to eat elsewhere.
Although Amano shrimp can produce eggs in freshwater, they have a more complicated reproductive cycle than cherry shrimp. Newly hatched Amano larvae require saline water to complete their development, which makes successful breeding in a home aquarium much more challenging.
For many aquarists, however, this is an advantage. Amano shrimp provide interesting behavior and algae-grazing benefits without creating a rapidly expanding population.
🎨 Cherry Shrimp vs. Amano Shrimp: Appearance and Color
One of the easiest ways to distinguish cherry shrimp from Amano shrimp is by examining their coloration.
Cherry shrimp are famous for their vivid appearance. The classic red variety may display anything from pale red patches to a deep, almost solid crimson, depending on breeding line, sex, age, and individual characteristics.
Female cherry shrimp frequently display more intense coloration than males, although this varies considerably between strains. Some selectively bred red varieties appear so strongly colored that their internal structures are difficult to see.
Amano shrimp look very different. Their bodies are predominantly translucent, allowing some internal structures to be visible through the exoskeleton. Instead of solid coloration, they typically have rows of brownish or reddish spots and dashes extending along their sides.
Many Amano shrimp also display a pale stripe running down the upper part of the body. Their overall appearance is more subtle, making them especially suitable for natural-looking aquascapes where the shrimp are intended to blend into the environment.
The two species can also be distinguished by their size and body shape. Amano shrimp are generally longer and more substantial, while cherry shrimp tend to appear smaller and more compact.
If you are choosing shrimp primarily for their decorative appearance, cherry shrimp are usually the more obvious choice. A bright red colony against green aquatic plants can become one of the most visually striking features of a planted aquarium.
Amano shrimp are less colorful, but their transparent bodies, delicate markings, and constant activity make them interesting animals to observe in their own right.
📏 Size Difference: Are Amano Shrimp Bigger Than Cherry Shrimp?
Yes. Amano shrimp are generally larger than cherry shrimp, and the size difference becomes particularly obvious when mature adults are placed side by side.
Most adult cherry shrimp measure approximately 1 to 1.5 inches, with females generally reaching the upper end of that range. Adult Amano shrimp typically reach around 1.5 to 2 inches, although individual sizes vary.
The difference may not sound dramatic, but an adult Amano shrimp can appear substantially larger than a young or smaller adult cherry shrimp. Amanos also tend to be more assertive when competing for food.
This size difference has practical implications for aquarium care.
Cherry shrimp can thrive in relatively small planted aquariums, although a larger water volume is easier for beginners to maintain. A five-gallon tank can accommodate a modest colony when conditions are stable, while ten gallons provides more room for population growth.
Amano shrimp benefit from additional space because they are larger and often actively explore the aquarium. For beginners, a ten-gallon aquarium or larger is a more comfortable choice than a very small nano tank.
Size also influences compatibility with fish. Some peaceful community fish that might consume a tiny cherry shrimp may be less likely to swallow a fully grown Amano shrimp. However, larger fish can still injure or eat either species, and shrimp of both kinds remain vulnerable immediately after molting.
Amano shrimp are not automatically safe simply because they are larger.
🧽 Which Shrimp Is Better at Eating Algae?
If your main reason for purchasing shrimp is to help control certain types of nuisance algae, Amano shrimp are generally the better choice.
Both species consume algae and biofilm, but Amano shrimp have a particularly strong reputation for grazing on soft filamentous growth, including some forms of hair algae and thread algae.
Their larger size allows them to handle food and algae growth that smaller cherry shrimp may not remove as effectively. They are often seen pulling at filamentous algae or picking through dense plant growth in search of edible material.
Cherry shrimp are valuable grazers too, but their strengths are somewhat different. They continually search aquarium surfaces for thin algae films, biofilm, microorganisms, and fine organic particles. A colony can help keep leaves, rocks, and other surfaces occupied by constant grazing activity.
However, cherry shrimp should not be expected to remove extensive patches of established hair algae. Their smaller size and feeding behavior make them less effective at tackling certain larger algae growths.
It is also important not to overestimate Amano shrimp. They do not eat every type of algae equally, and their preferences can vary depending on what other food is available.
Even Amano shrimp may ignore tough, heavily established algae when easier food is present. Black beard algae, for example, is not reliably controlled simply by introducing a few shrimp.
Most importantly, neither species corrects the underlying causes of algae growth.
Excessive lighting, imbalanced nutrients, accumulated organic waste, and poor aquarium maintenance can all contribute to unwanted algae. Introducing Amano shrimp may help reduce certain growths, but it does not eliminate the need to address those conditions.
Best Choice for Hair Algae
Amano shrimp are usually the stronger choice when the problem involves soft hair or thread algae that they are willing and able to graze.
Best Choice for Biofilm and Fine Surface Grazing
Cherry shrimp are excellent for a planted aquarium where the goal is to maintain a colorful colony that continually grazes on biofilm and soft surface growth.
Best Choice for General Aquarium Maintenance
Neither shrimp replaces routine aquarium care. Both are helpful scavengers, but filtration, appropriate feeding, water changes, and balanced plant growth remain essential.
🍽️ What Do Cherry Shrimp and Amano Shrimp Eat?
Cherry shrimp and Amano shrimp have broadly similar diets. Both are omnivorous scavengers that spend much of their time searching for algae, biofilm, microorganisms, decaying organic material, and other edible particles.
In a mature planted aquarium, shrimp find food on plant leaves, driftwood, rocks, substrate, and filter surfaces. This natural grazing is especially important because they feed repeatedly throughout the day rather than relying exclusively on one large meal.
Cherry shrimp can be offered a quality shrimp food, occasional algae-based supplements, and small portions of suitable blanched vegetables. Their small size means that a modest colony usually needs relatively little prepared food, particularly when the aquarium provides plenty of natural grazing material.
Amano shrimp accept many of the same foods but are often more aggressive feeders. They may rapidly approach a sinking pellet, grab it, and retreat to a sheltered location before other aquarium inhabitants can reach it.
This behavior can be entertaining, but it also means that Amano shrimp may outcompete cherry shrimp or other slow-moving animals at a concentrated feeding spot.
If you keep both species together, distribute supplemental food across several areas of the aquarium rather than placing everything in a single pile. This gives smaller shrimp more opportunities to eat without competing directly with larger Amanos.
Both species require appropriate nutrition and dissolved minerals to support healthy molting. A varied diet and suitable water hardness are important, but overfeeding should be avoided because decaying leftovers can damage water quality.
Amano shrimp are not simply algae-eating machines, and cherry shrimp are not exclusively scavengers. Both should be treated as aquarium animals with nutritional needs rather than as disposable cleanup crews.
💧 Do Cherry Shrimp and Amano Shrimp Need Different Water Parameters?
Cherry shrimp and Amano shrimp can both thrive in a range of freshwater conditions, and their preferred environments overlap considerably.
Cherry shrimp generally do well in moderately mineralized freshwater with a pH around 6.5–8.0 and temperatures of approximately 68–78°F (20–26°C).
Amano shrimp are similarly adaptable, with commonly recommended temperatures of approximately 65–82°F (18–28°C) and a pH around 6.0–8.0.
A stable aquarium maintained around 72–76°F (22–24°C), with a pH close to neutral or mildly alkaline and appropriate dissolved mineral content, can often provide suitable conditions for both.
The key requirement is not one precise temperature or pH reading. It is consistency.
Both shrimp can be harmed by sudden changes in water chemistry, especially when those changes affect temperature, pH, or dissolved minerals.
General hardness, or GH, is particularly important because shrimp need calcium and magnesium for normal physiological processes and exoskeleton development. Carbonate hardness, or KH, contributes to the buffering capacity of the water and can help resist abrupt pH changes.
An aquarium that is extremely soft or deficient in minerals may require carefully managed remineralization, but repeatedly adding products to chase arbitrary numbers can create more problems than it solves.
Both species should be introduced only after the aquarium has completed its nitrogen cycle. Ammonia and nitrite should consistently test at 0 ppm, while nitrate and other waste products should be controlled through appropriate maintenance.
A mature planted aquarium with stable water chemistry is a much better environment for either shrimp than a newly filled tank with supposedly perfect numbers.
🏠 Cherry Shrimp vs. Amano Shrimp: Tank Size and Setup
Cherry shrimp are particularly well suited to planted nano aquariums. Their small size and relatively low waste production make them appealing for aquarists who want to establish a shrimp-focused aquarium without keeping fish.
A five-gallon aquarium can support a small cherry shrimp colony if it is mature, well filtered, and maintained carefully. However, a ten-gallon tank is generally a more forgiving starting point, particularly for someone new to shrimp keeping.
Amano shrimp are larger and often more active. Although individual Amanos are sometimes kept in smaller aquariums, ten gallons or more is a sensible recommendation for beginners, especially when keeping several shrimp together.
Regardless of species, the aquarium should provide plenty of grazing surfaces and shelter.
Live plants such as Java moss, Java fern, Anubias, Cryptocoryne, and other beginner-friendly aquatic plants are useful for both species. Their leaves and stems provide surfaces where biofilm develops, while dense growth gives shrimp somewhere to hide after molting.
Driftwood, aquarium-safe rocks, and suitable botanical materials can also provide additional structure.
Cherry shrimp benefit particularly from dense moss because it gives newly hatched shrimp protected areas where they can graze and avoid potential predators.
Amano shrimp also appreciate planted cover, but their larger size means they often spend more time visibly exploring open areas of the aquarium.
Choosing the Right Filter
Sponge filters are excellent for dedicated cherry shrimp aquariums because they provide biological filtration and gentle water movement while protecting tiny shrimplets from dangerous filter intakes.
Amano shrimp can also thrive with sponge filtration, but hang-on-back and canister filters may be appropriate when correctly sized for the aquarium. Any tank containing baby cherry shrimp should have filter intakes protected by a fine sponge.
Preventing Amano Shrimp From Escaping
Amano shrimp have a reputation for climbing and occasionally escaping from aquariums, particularly when there are openings near filter pipes, cables, or airline tubing.
Use a secure, well-fitting lid and cover gaps where practical. Water-quality problems and unsuitable conditions may also contribute to attempts to leave the aquarium, so any escape behavior deserves attention.
Cherry shrimp can climb as well, but Amano shrimp are especially well known for finding openings.
For suitable plants, explore our 30 Easy-to-Grow Live Aquarium Plants for Freshwater Tanks.
🥚 Breeding: The Biggest Difference Between Cherry and Amano Shrimp
The reproductive cycle is arguably the most important difference between these two freshwater shrimp.
Cherry shrimp reproduce readily in ordinary freshwater aquariums, while Amano shrimp require a much more complicated sequence of freshwater and saline conditions for successful reproduction.
This difference influences not only the difficulty of breeding each species but also how their populations behave over time.
How Cherry Shrimp Reproduce
Cherry shrimp have a relatively straightforward breeding cycle.
When mature males and females are present under suitable conditions, mating may occur following a female’s molt. A fertilized female carries developing eggs beneath her abdomen, attached to small swimming appendages called pleopods.
A female carrying eggs is often described as berried.
The eggs generally develop for approximately three to four weeks, depending partly on temperature. Once development is complete, tiny shrimp hatch as miniature versions of the adults.
These newborn shrimp do not require a separate larval tank or special salinity conditions. They begin grazing on microscopic food within the freshwater aquarium.
A mature tank with dense moss, biofilm, and shrimp-safe filtration can provide a suitable environment for their growth.
As successive generations mature, the population may increase significantly. This is why aquarists can often establish a thriving colony from an initial group of approximately ten healthy cherry shrimp.
How Amano Shrimp Reproduce
Amano shrimp have a very different life cycle.
Adult Amano shrimp live in freshwater and can mate and produce eggs under suitable aquarium conditions. Females may carry numerous small eggs beneath their abdomens, much like cherry shrimp.
However, the young do not hatch as miniature adults.
Instead, Amano shrimp release free-swimming larvae that must pass through several developmental stages before becoming recognizable juvenile shrimp.
In nature, newly hatched larvae are carried downstream into saline coastal waters, where they develop before eventually returning to freshwater environments as juveniles.
In a normal freshwater aquarium, Amano larvae do not survive long enough to complete these stages.
Successful captive breeding therefore requires a specialized setup with appropriate salinity, food for the larvae, careful water-quality management, and a controlled transition back to freshwater after metamorphosis.
This is much more difficult than breeding cherry shrimp and is generally considered an advanced project.
Importantly, adult Amano shrimp should not simply be transferred into saltwater to encourage breeding. The critical saline phase applies to the larvae, while the adult shrimp and their eggs are normally maintained in freshwater.
Which Shrimp Is Better for Breeding?
For beginners interested in observing shrimp reproduction and raising young, cherry shrimp are overwhelmingly the better choice.
They reproduce entirely in freshwater and can establish a colony without a complicated larval-rearing system.
Amano shrimp are better suited to aquarists who enjoy keeping shrimp but do not want a steadily expanding population.
🐣 Will Amano Shrimp Eat Baby Cherry Shrimp?
Amano shrimp are primarily scavengers and grazers rather than active hunters of healthy cherry shrimp.
In a suitable aquarium, adult Amanos and cherry shrimp usually coexist peacefully. They may forage on the same plants, explore the same decorations, and gather around supplemental food.
However, Amano shrimp are larger, stronger, and sometimes quite assertive when feeding. They may push smaller shrimp away from food or carry off pieces before the cherry shrimp can reach them.
Like many opportunistic scavengers, Amano shrimp may consume dead or severely weakened animals if they encounter them. This should not be confused with regularly hunting healthy cherry shrimp.
Newborn cherry shrimp are extremely small, so providing dense moss and sheltered grazing areas remains sensible in a mixed-shrimp aquarium.
If your main objective is to maximize the survival of every cherry shrimplet and maintain a carefully managed breeding colony, a dedicated cherry shrimp aquarium is the most straightforward option.
If you simply want an attractive planted tank containing both species, keeping them together can work very well when water conditions and food availability are suitable.
🤝 Can Cherry Shrimp and Amano Shrimp Live Together?
Yes. Cherry shrimp and Amano shrimp can usually live together successfully in the same freshwater aquarium.
Their water requirements overlap, both species are generally peaceful, and neither has a strong tendency to attack healthy adult members of the other species.
They also cannot interbreed because they belong to different genera: Neocaridina and Caridina.
This means you can keep red cherry shrimp and Amano shrimp together without worrying about the two species producing hybrid offspring.
However, there are several practical considerations.
First, provide enough space. A mature planted aquarium of ten gallons or larger offers more flexibility than a small nano tank, particularly because Amano shrimp are considerably larger.
Second, make sure there is sufficient natural grazing material. Both species feed on biofilm and other organic material, so a mature planted aquarium is preferable to a newly established tank with little natural food.
Third, manage feeding carefully. Amanos may be quicker to seize sinking pellets, so offering food in several locations can reduce competition.
Finally, consider your goal. A mixed aquarium can be attractive and entertaining, but a shrimp-only cherry colony is usually easier to manage when selective breeding or maximizing juvenile survival is the priority.
For many planted aquarium enthusiasts, a combination of both species provides an appealing balance of colorful shrimp and larger algae grazers.
🐟 Which Shrimp Is Better for Community Aquariums?
Amano shrimp often have an advantage in peaceful community aquariums because of their larger adult size.
A cherry shrimp measuring approximately one inch is small enough to be viewed as food by many aquarium fish. Newly hatched cherry shrimp are even more vulnerable, and fish that ignore adult shrimp may readily consume the babies.
Amano shrimp grow larger and may therefore be less vulnerable to certain small community fish. They can coexist with various peaceful species when the aquarium provides suitable hiding places and adequate space.
However, this does not make Amano shrimp compatible with every fish.
Large cichlids, aggressive fish, and other predatory species can injure or consume either kind of shrimp. Bettas are especially unpredictable as shrimp companions; some individuals tolerate shrimp, while others repeatedly attack them.
Even peaceful fish can harass newly introduced shrimp or disturb individuals that have recently molted.
If your primary goal is maintaining a breeding colony of cherry shrimp, a dedicated aquarium without fish is usually safest.
If you want a few shrimp to contribute to grazing activity in a peaceful community aquarium, Amanos may be the more practical option, provided all tank mates have been evaluated carefully.
The general rule is simple: do not assume that a fish will ignore a shrimp merely because both species are commonly sold as peaceful aquarium inhabitants.
⏳ Which Shrimp Lives Longer?
Amano shrimp generally have the potential to live longer than cherry shrimp.
Cherry shrimp commonly live approximately one to two years under suitable aquarium conditions, although individual lifespans vary.
Amano shrimp may live for two to three years or longer, with some individuals surviving considerably longer under favorable conditions.
Neither lifespan should be treated as a guarantee. Age at purchase, genetics, water quality, temperature, nutrition, and stress can all influence how long an individual survives.
The difference in lifespan also affects how each aquarium population develops.
A cherry shrimp colony may continually replace older individuals through freshwater reproduction. Even though individual shrimp have relatively short lives, a successful colony can remain established across many generations.
An Amano shrimp population does not renew itself in an ordinary freshwater aquarium. As individuals age and eventually die, the number of shrimp will gradually decrease unless additional animals are introduced.
For someone interested in maintaining a self-sustaining colony, cherry shrimp offer a significant advantage.
For someone who prefers a stable number of shrimp without managing large numbers of offspring, Amanos may be more appealing.
🏆 Which Shrimp Is Easier for Beginners?
Both cherry shrimp and Amano shrimp are considered relatively beginner-friendly, but the easier choice depends on what you want to accomplish.
Cherry shrimp are excellent for beginners who want a colorful, planted shrimp aquarium. They are small, adaptable to many common freshwater conditions, and usually reproduce without special intervention.
Their main challenges involve maintaining stable water chemistry, protecting tiny shrimplets, and avoiding overfeeding. A colony can also expand enough that you eventually need to consider how to manage or rehome excess shrimp.
Amano shrimp are also relatively straightforward to keep once settled into a suitable aquarium. Their larger size makes them easier to observe, and their willingness to graze on some nuisance algae can make them useful additions to planted community tanks.
Because their larvae cannot develop in ordinary freshwater, Amano shrimp do not create the same population-management challenges associated with breeding cherry shrimp.
However, Amanos can be more demanding in certain practical ways. Their larger size calls for adequate room, their energetic feeding behavior may require attention in mixed-shrimp aquariums, and their tendency to escape through openings makes a secure lid important.
For someone setting up a dedicated breeding tank, cherry shrimp are usually the better beginner choice.
For someone maintaining a mature planted community aquarium and looking for larger algae grazers, Amano shrimp may be preferable.
Neither species should be added to an uncycled aquarium, and neither can compensate for unstable water conditions.
🛒 How Many Cherry Shrimp or Amano Shrimp Should You Start With?
The ideal starting number depends on aquarium size, maturity, available grazing surfaces, and the other inhabitants.
If you want to establish a cherry shrimp breeding colony, beginning with approximately 10 to 20 healthy individuals is a reasonable approach. This improves the chance of receiving both males and females and provides a good foundation for population growth.
A smaller group may still reproduce, but success becomes less predictable when the sex ratio is unknown.
Amano shrimp do not have the same freshwater breeding objective, so there is no need to purchase a large group solely to establish a colony. A few Amanos can provide interesting behavior and algae-grazing activity in an appropriately sized aquarium.
For a mature, planted ten-gallon aquarium, a modest group of around three to five Amano shrimp may be reasonable if the tank’s other inhabitants, food supply, and filtration allow it. Larger aquariums can support additional individuals, but shrimp should not be added according to a fixed shrimp-per-gallon rule.
It is generally better to begin conservatively and evaluate how the aquarium responds before adding more.
When purchasing either species, prioritize healthy animals from a reputable breeder or aquarium store. Avoid tanks containing multiple dead shrimp or animals displaying obvious signs of distress.
For cherry shrimp, purchasing a group from the same color line is generally best if you want to maintain consistent coloration through breeding.
For Amano shrimp, ensure that the animals are correctly identified. Some other translucent freshwater shrimp are sold under similar common names, but they may have different sizes, temperaments, or care requirements.
🚿 Acclimating Cherry Shrimp and Amano Shrimp
Cherry shrimp and Amano shrimp can both be sensitive to sudden differences between the water they were transported in and the water in their new aquarium.
Temperature, pH, general hardness, and other aspects of water chemistry may differ substantially between a store or breeder’s aquarium and your own.
Before adding shrimp, confirm that your aquarium is fully cycled and stable. Check that ammonia and nitrite are both at 0 ppm and that the temperature and mineral levels are appropriate.
For shrimp transported locally in good-quality water, gradual acclimation is often used to help them adjust. Many aquarists employ a controlled drip-acclimation method that slowly introduces aquarium water into the container holding the shrimp.
However, shrimp that have spent a long time in shipping bags require additional care. Opening an older shipping bag can alter water chemistry and increase the toxicity of accumulated ammonia, so prolonged acclimation in polluted shipping water may be dangerous.
Follow acclimation procedures appropriate to the length of transport and the condition of the water rather than assuming that a longer process is always safer.
Once the shrimp have been transferred, keep the lighting subdued and allow them to explore without unnecessary disturbance.
Cherry shrimp may hide among plants for some time, particularly if they are small or have recently molted. Amanos may also disappear into sheltered areas during their first days.
Avoid making large water changes or repeatedly rearranging decorations immediately after introduction unless there is a genuine water-quality problem requiring attention.
For detailed instructions, read How to Acclimate New Shrimp to an Aquarium.
⚠️ Common Problems With Cherry Shrimp and Amano Shrimp
Although both species are considered relatively hardy aquarium shrimp, they can experience problems when water conditions are unsuitable or unstable.
Molting Difficulties
Both cherry shrimp and Amano shrimp must periodically shed their exoskeletons to grow.
Finding a translucent, empty shell is usually a normal sign of molting. However, repeated failed molts or unexplained deaths around the time of molting can indicate problems with water chemistry, mineral availability, or overall environmental stability.
Avoid making sudden changes to hardness or pH without identifying the underlying issue.
Our Why Are My Shrimp Having Trouble Molting? guide explains common causes and practical steps to investigate.
Shrimp Hiding Constantly
Both species may hide after being introduced to a new aquarium or while recovering from a molt.
Cherry shrimp are often especially difficult to spot because of their small size and preference for dense plant cover.
Persistent hiding may also occur when shrimp are being harassed by fish or other aquarium inhabitants.
If your shrimp seem unusually withdrawn, examine the tank’s water quality, potential predators, and available shelter before assuming that something is wrong.
Shrimp Dying After Water Changes
Sudden changes in temperature, mineral content, pH, or other water characteristics can cause serious stress to freshwater shrimp.
Both species benefit from appropriately conditioned replacement water that is reasonably close to the aquarium’s existing parameters.
Large or poorly matched water changes can be particularly problematic in small aquariums.
If deaths occur after maintenance, investigate the water-change procedure rather than immediately purchasing replacement animals.
See Why Are My Aquarium Shrimp Dying After a Water Change? for more troubleshooting information.
Amano Shrimp Escaping
Amano shrimp are capable climbers and may leave an aquarium through small openings.
Check the fit of the lid and inspect spaces around filtration equipment, tubing, and cables. Also review water quality and other possible sources of environmental stress.
Overfeeding
Both shrimp are natural grazers, so supplemental foods should be offered in quantities appropriate to the actual population and available biofilm.
Uneaten pellets, excess vegetables, and accumulated food can decompose and undermine water quality.
Amano shrimp may be enthusiastic feeders, but that does not mean they require large portions at every feeding.
🌱 Can Cherry Shrimp and Amano Shrimp Keep a Planted Aquarium Clean?
Both species can contribute to a planted aquarium by grazing on algae, biofilm, and small organic particles. However, their roles differ.
Cherry shrimp are particularly enjoyable in densely planted tanks where large numbers can occupy plant leaves, moss, wood, and other surfaces. A healthy breeding colony provides nearly continuous grazing activity throughout the aquarium.
Amano shrimp are frequently chosen for planted aquascapes because they are larger and more effective at consuming certain nuisance algae. They can be especially useful when soft filamentous growth begins appearing on plants or hardscape.
Keeping both species together can provide complementary grazing behavior, but this does not mean the aquarium becomes self-cleaning.
Neither shrimp removes dissolved waste simply by eating algae. Nutrients consumed by shrimp remain part of the aquarium’s biological system and are eventually released through waste and other processes.
Good filtration, sensible feeding, healthy plant growth, suitable lighting, and routine maintenance remain necessary.
Shrimp are best understood as valuable members of a balanced aquarium ecosystem, not substitutes for aquarium care.
✅ Cherry Shrimp or Amano Shrimp: Which Should You Choose?
Choosing between cherry shrimp and Amano shrimp becomes much easier when you identify your main aquarium goals.
Choose Cherry Shrimp If You Want a Colorful Colony
Cherry shrimp are an excellent choice when you want bright color, interesting grazing behavior, and the possibility of breeding shrimp successfully in ordinary freshwater.
They are particularly suitable for planted shrimp-only aquariums, including mature five- and ten-gallon setups.
A small starting group can gradually produce offspring, allowing you to observe the full shrimp life cycle without specialized breeding equipment.
Choose Amano Shrimp If You Want Stronger Algae Grazers
Amano shrimp are generally the better option when your main goal is reducing certain types of nuisance algae in a mature planted aquarium.
They are larger, often more visible, and can coexist with a range of carefully selected peaceful community fish.
Their inability to establish a freshwater breeding population may also appeal to aquarists who want to maintain a more predictable number of shrimp.
Choose Both If You Want Variety
A well-planted aquarium of suitable size can accommodate both cherry shrimp and Amano shrimp.
The red coloration of cherry shrimp contrasts beautifully with the transparent bodies of Amanos, while their different sizes and feeding behaviors make them interesting to observe together.
Provide plenty of food-grazing surfaces, hiding places, and sufficient space. Distribute supplemental food so the larger Amanos do not consistently monopolize it.
Because the two species cannot interbreed, you can enjoy their different characteristics without producing hybrids.
For many aquarists, a carefully planned mixed-shrimp aquarium provides the best of both worlds.
❓ Frequently Asked Questions About Cherry Shrimp vs. Amano Shrimp
Are Amano Shrimp Better Than Cherry Shrimp?
Neither species is universally better. Amano shrimp are usually stronger grazers of certain nuisance algae, particularly soft hair and thread algae, while cherry shrimp are more colorful and much easier to breed in freshwater. The best choice depends on whether your priority is algae control, appearance, breeding, or a peaceful planted aquarium.
Can Cherry Shrimp and Amano Shrimp Live Together?
Yes. Cherry shrimp and Amano shrimp can usually live together successfully in a mature freshwater aquarium because their water requirements overlap and both species are generally peaceful. Amanos are larger and may compete more aggressively for food, so provide multiple feeding areas and plenty of natural grazing surfaces. A shrimp-only cherry colony is still preferable if maximizing breeding success is your primary goal.
Will Amano Shrimp Eat Cherry Shrimp?
Amano shrimp do not normally hunt healthy adult cherry shrimp. They are mainly scavengers and grazers, although they may consume dead or severely weakened animals and can be assertive around food. Providing suitable shelter and adequate feeding opportunities helps reduce competition in a mixed aquarium.
Can Amano Shrimp Breed With Cherry Shrimp?
No. Amano shrimp belong to the genus Caridina, while cherry shrimp belong to Neocaridina. They are distinct species and cannot produce hybrid offspring together. Keeping the two in the same aquarium does not change the appearance of future cherry shrimp generations through crossbreeding with Amanos.
Why Are My Amano Shrimp Carrying Eggs but Not Producing Babies?
Female Amano shrimp can carry eggs and release larvae in freshwater. However, the larvae require saline conditions for successful development and cannot complete their life cycle in an ordinary freshwater aquarium. Breeding Amano shrimp successfully requires specialized larval care, including appropriate salinity and feeding, followed by a transition back to freshwater after development.
Which Shrimp Eats More Algae?
Amano shrimp generally consume more nuisance algae per individual than cherry shrimp, particularly certain soft filamentous varieties. Cherry shrimp are excellent biofilm grazers, but their smaller size limits how effectively they can tackle some larger algae growths. Neither species reliably eliminates every type of algae, and both depend on suitable aquarium maintenance.
Are Cherry Shrimp Easier to Breed Than Amano Shrimp?
Yes. Cherry shrimp are dramatically easier to breed because their offspring hatch as fully formed miniature shrimp and can develop entirely in freshwater. Amano shrimp have a free-swimming larval stage that requires saline water, making captive breeding much more complicated.
How Many Amano Shrimp Should You Keep Together?
Amano shrimp do not have a strict schooling requirement, but several can be kept together in an appropriately sized aquarium. A modest group of approximately three to five may be suitable for a mature ten-gallon tank when the stocking level, natural food supply, and other inhabitants allow it. Larger aquariums offer more flexibility. There is no universal shrimp-per-gallon rule that applies to every setup.
Can You Keep Amano Shrimp in a 5-Gallon Tank?
Although some aquarists keep individual Amano shrimp in five-gallon aquariums, a ten-gallon or larger tank is a more practical recommendation for beginners. Amanos are relatively large, active foragers that benefit from additional space and natural grazing surfaces. Very small aquariums also experience environmental changes more rapidly, making stable conditions harder to maintain.
Do Amano Shrimp Need Brackish Water?
Adult Amano shrimp are normally maintained in freshwater aquariums and do not require brackish water for everyday care. The saline-water requirement applies to their larval development. In nature, larvae develop in coastal saline environments before juveniles return to freshwater. Do not add aquarium salt to an adult Amano tank simply because the species has a saline larval stage.
Which Shrimp Is Better for a Betta Tank?
Amano shrimp may be less vulnerable to some Bettas because they are larger, but compatibility is never guaranteed. Some Bettas ignore shrimp, while others actively chase or attack them. Cherry shrimp are smaller and may be more easily eaten, especially when young. Observe the individual Betta’s behavior, provide hiding places, and be prepared to separate incompatible animals.
How Long Do Cherry Shrimp and Amano Shrimp Live?
Cherry shrimp commonly live around one to two years, while Amano shrimp often survive two to three years or longer under favorable conditions. Individual lifespans vary with age at purchase, water quality, temperature, genetics, nutrition, and stress. Cherry shrimp colonies may persist through many generations, while Amano populations do not naturally replace themselves in freshwater.
Are Amano Shrimp More Expensive Than Cherry Shrimp?
Prices vary considerably by location, availability, source, and the particular shrimp being sold. Standard red cherry shrimp are often relatively affordable, but high-grade selectively bred varieties can cost considerably more. Amano shrimp may be priced differently because breeding them in captivity is more complicated. Compare healthy shrimp from reputable sellers rather than assuming one species is always cheaper.
Do Cherry Shrimp and Amano Shrimp Need a Heater?
Not necessarily. Both species can live within a range of temperatures that may overlap with normal room-temperature aquariums. A heater is useful when the aquarium becomes too cold or the temperature fluctuates significantly. Maintaining a stable temperature within an appropriate range is more important than keeping either species unusually warm.
Which Shrimp Is Best for a Beginner Planted Aquarium?
Cherry shrimp are usually best for someone who wants a small, colorful breeding colony in a mature planted aquarium. Amano shrimp are an excellent alternative for someone who wants larger, active algae grazers in a peaceful planted community. Both require a completed nitrogen cycle, stable water chemistry, appropriate mineral levels, and careful acclimation.
🌟 Cherry Shrimp vs. Amano Shrimp: Two Excellent Choices for Freshwater Aquariums
Cherry shrimp and Amano shrimp are both fascinating aquarium inhabitants, but they offer different advantages.
Cherry shrimp stand out for their brilliant colors, small size, and ability to reproduce successfully in freshwater. A modest group introduced into a mature planted aquarium can gradually become an active breeding colony, giving aquarists the opportunity to watch successive generations develop among moss, driftwood, and aquatic plants.
Amano shrimp are larger, more translucent, and particularly valuable for their appetite for certain nuisance algae. Their active feeding behavior and ability to coexist with many peaceful community fish make them popular additions to planted aquascapes.
The greatest difference between the two species is their reproduction. Cherry shrimp produce miniature shrimp that can grow and breed in the same freshwater aquarium. Amano shrimp have a specialized larval stage requiring saline water, so a normal freshwater aquarium will not support a self-reproducing Amano population.
Tank size, feeding behavior, and intended purpose also matter. Cherry shrimp are especially appealing for smaller shrimp-focused aquariums, while Amanos benefit from additional space and can provide stronger algae grazing in suitable community setups.
Fortunately, you do not necessarily have to choose between them. A mature, well-planted aquarium with appropriate water conditions can often accommodate both species, creating an attractive combination of colorful cherry shrimp and energetic Amano shrimp.
Whichever species you select, remember that a successful shrimp aquarium depends on more than the animals themselves. Stable water chemistry, an established biological filter, healthy plants, natural grazing surfaces, and appropriate maintenance are essential to their long-term health.
Choose cherry shrimp if your dream is a colorful, self-sustaining freshwater colony. Choose Amano shrimp if you want larger shrimp with stronger algae-grazing abilities. Choose both if your aquarium can comfortably support them and you enjoy the unique characteristics of each species.
With the right environment and a little patience, either shrimp can become one of the most interesting and rewarding inhabitants of your freshwater aquarium.
🔗 Related Reading
- Cherry Shrimp Care Guide
- How Many Cherry Shrimp Should You Start With?
- Why Are My Cherry Shrimp Hiding?
- Why Are My Cherry Shrimp Not Breeding?
- How to Acclimate New Shrimp to an Aquarium
- Why Are My Aquarium Shrimp Dying After a Water Change?
- Why Are My Shrimp Having Trouble Molting?
- Top 30 Easy-to-Grow Live Aquarium Plants for Freshwater Tanks
📚 Sources & Further Reading
- Aquarium Co-Op — Care Guide for Amano Shrimp
- Aquarium Co-Op — Care Guide for Cherry Shrimp
- Aqueon — Freshwater Shrimp Care Guide
- The Aquarista — Cherry Shrimp Care Guide
