Fish Encyclopedia
Search and identify 1,000+ fish species — freshwater, saltwater, reef, and pelagic — with habitat, size, diet, behavior, and how to tell them apart.
Black Phantom Tetra
A gray-black Paraguay basin characin known for its dramatic sail-like dorsal fin displays and mild social hierarchy behavior among males.
freshwaterX-ray Tetra
A translucent coastal South American characin whose see-through body and bold black-white-yellow fin markings make it instantly recognizable.
brackishVon Rio Tetra
A small, fiery-red tetra native to coastal rivers near Rio de Janeiro, notable for two dark shoulder spots and deep red hindquarters.
freshwaterSilver Tip Tetra
A bronze-bodied Brazilian characin notable for lacking an adipose fin and for its bright white-tipped fins, active in fast-moving shoals.
freshwaterBleeding Heart Tetra
A deep-bodied upper Amazon characin marked by a small red 'bleeding heart' spot and, in males, a dramatic elongated dorsal fin.
freshwaterBlack Neon Tetra
A small Brazilian tetra marked by a bold black horizontal stripe paired with a shimmering silvery-white line above it, a popular schooling fish in freshwater aquariums.
freshwaterOrange Chromide
A small, bright orange-yellow cichlid from South Asian estuaries, marked by a single dark spot near the tail. It is the smallest member of its genus and a popular, peaceful aquarium fish.
brackishHead and Tail Light Tetra
An Amazon and Guiana river characin named for its glowing metallic eye and tail-base spots, resembling a pair of tiny headlights.
freshwaterOrange-lined Triggerfish
The Orange-lined Triggerfish is a dark green triggerfish covered in bold curving orange stripes, one of the most vividly patterned fish on Indo-Pacific reefs.
reefKlein's Butterflyfish
A golden-brown Indo-Pacific butterflyfish with a dark eye bar and dusky patches, common on many reefs.
reefOrnate Butterflyfish
A showy Indo-Pacific butterflyfish with diagonal orange stripes across a white body and black-and-yellow face bands.
reefOrnate Bichir
A striking Central African freshwater fish with an eel-like body covered in an intricate leopard-spot network pattern and a row of spiny finlets along its back.
freshwaterOrnate Ghost Pipefish
The ornate ghost pipefish is a strikingly patterned reef fish covered in frilly skin extensions that let it blend seamlessly with crinoids and soft corals. It is one of the most photographed of the ghost pipefish species.
reefOrangeshoulder Tang
A gray-bodied surgeonfish marked by a bold orange patch behind the gill cover, often seen grazing sandy rubble zones adjacent to Indo-Pacific coral reefs.
reefDiamond Goby
A slender, sand-sifting goby with rows of orange spots, prized for cleaning aquarium sand beds. Found on shallow lagoon flats throughout the Indo-Pacific.
reefWhite Cloud Mountain Minnow
A hardy, cold-tolerant minnow with a metallic green-gold stripe and red-tinted fins, native to cool mountain streams in southern China.
freshwaterParkinson's Rainbowfish
A large, robust rainbowfish from the eastern rivers of Papua New Guinea, with mature males displaying a striking golden-orange rear half contrasting with a bluish-silver front.
freshwaterPercula Clownfish
A bright orange anemonefish with three bold white bars outlined in black, famous for its symbiotic partnership with sea anemones on western Pacific reefs.
reefOrangespine Unicornfish
A hornless unicornfish marked by a black eye mask, yellow dorsal stripe, and vivid orange blade-like spines at the tail base; common on shallow Indo-Pacific reefs.
reefDiamond Watchman Goby
A pearly white sleeper goby with pale yellow stripes and sky-blue head markings that spends its day sifting mouthfuls of sand for hidden invertebrates near its burrow.
reefGaribaldi
A large, brilliant orange damselfish and the official marine state fish of California, found among rocky reefs and kelp forests of the temperate northeast Pacific.
reefCanary Rockfish
A vivid orange-and-gray rockfish of the Pacific continental shelf, easily recognized by its bright orange fins and mottled orange-and-gray body pattern.
saltwaterLyretail Anthias
The lyretail anthias is a small, vividly orange-pink reef fish that forms large, colorful schools over coral drop-offs, with males sporting an elongated lyre-shaped tail.
reefCoral Hind
A vivid orange-red Indo-Pacific grouper scattered with pale iridescent-blue spots, commonly seen resting near coral heads and reef ledges.
reef