Author's posts
Apr 23
Coral Hawkfish
The Coral Hawkfish is a small but confident reef predator known for its speckled red-and-white coloration, tassel-like dorsal-fin cirri, and characteristic habit of perching on coral branches while watching everything happening around it. Scientifically known as Cirrhitichthys oxycephalus, this species is also called the Pixy Hawkfish, Sharp-headed Hawkfish, and, confusingly, Spotted Hawkfish. That last name …
Apr 22
African Flameback Angelfish
The African Flameback Angelfish is one of the smallest and most striking dwarf angelfish available to marine aquarists. Its deep cobalt-blue body contrasts dramatically with a brilliant yellow-to-orange head and upper back, creating the fiery “flameback” appearance responsible for its common name. Scientifically known as Centropyge acanthops, this species is also called the African Pygmy …
Apr 21
Clown Triggerfish: Care, Tank Size, Diet, Temperament & Reef Safety
The Clown Triggerfish (Balistoides conspicillum) is one of the most spectacular—and unmistakable—marine fish in the aquarium hobby. With a black body covered in oversized white spots, a yellow-patterned back, bright markings around the mouth, and a bold personality, it looks almost unreal swimming through a saltwater aquarium. That incredible appearance comes with an important warning: …
Apr 18
Bangaii Cardinalfish: Care, Habitat, and Breeding Tips
The Banggai Cardinalfish (Pterapogon kauderni) is one of the most recognizable small marine fish in the aquarium hobby. Its silver body, dramatic black vertical bars, elongated fins, and pattern of tiny white spots give it an appearance unlike almost any other reef fish. Banggai Cardinalfish are also fascinating behaviorally. They tend to hover calmly rather …
Apr 08
The Top 50 Saltwater Fish for Aquariums
A thriving saltwater aquarium can contain some of the most colorful, unusual, and charismatic fish on Earth. From tiny gobies that perch among the rocks to brilliant angelfish, active tangs, peaceful cardinalfish, and formidable triggerfish, there is a marine fish for almost every appropriately sized aquarium. But choosing saltwater fish should involve more than picking …
Apr 08
The Top 50 Freshwater Fish for Aquariums
Freshwater aquariums offer an extraordinary range of possibilities. A tank can become a peaceful planted world filled with tiny schooling tetras, a colorful livebearer community, a dramatic cichlid display, or even a home for unusual fish such as bichirs and upside-down catfish. The challenge is choosing fish that actually fit together. Adult size, temperament, water …
Apr 07
Everything You Need to Know About Neon Tetra Fish: Care, Habitats, and Tips
Everything You Need to Know About Neon Tetra Fish: Care, Habitats, and Tips Few freshwater aquarium fish are as instantly recognizable as the Neon Tetra (Paracheirodon innesi). With its brilliant electric-blue stripe, glowing red tail, and peaceful schooling behavior, this tiny South American fish has been a favorite of aquarists for generations. Neon Tetras are …
Apr 06
Guppy Fish: Your Guide to Care, Breeding, and Health
Colorful, energetic, and famously easy to breed, the Guppy (Poecilia reticulata) is one of the most popular freshwater aquarium fish in the world. Selective breeding has transformed this naturally small livebearer into an astonishing collection of aquarium varieties. Guppies can display enormous fan-shaped tails, intricate mosaics, metallic blues, fiery reds, yellows, greens, blacks, and almost …
Apr 05
Corydoras Catfish: Care, Breeding, and Tank Mates
Peaceful, social, and endlessly entertaining, Corydoras catfish—usually called corys or cory catfish—are among the best bottom-dwelling fish for freshwater community aquariums. These small South American catfish are famous for their whisker-like barbels, armored bodies, and habit of bustling across the substrate in groups as they search for food. They coexist with an enormous variety of …
Apr 04
Zebra Danios: Care, Breeding, and Unique Traits
Few freshwater aquarium fish combine hardiness, speed, personality, and unmistakable good looks quite like the Zebra Danio. The Zebra Danio (Danio rerio), also widely known as the zebrafish, is a small schooling fish recognized by the dark blue horizontal stripes running along its silvery body. It has been kept in aquariums for generations, yet this …
