Fish Identifier

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

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.

freshwater
X-ray Tetra

X-ray Tetra

A translucent coastal South American characin whose see-through body and bold black-white-yellow fin markings make it instantly recognizable.

brackish
Von Rio Tetra

Von 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.

freshwater
Silver Tip Tetra

Silver 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.

freshwater
Bleeding Heart Tetra

Bleeding Heart Tetra

A deep-bodied upper Amazon characin marked by a small red 'bleeding heart' spot and, in males, a dramatic elongated dorsal fin.

freshwater
Black Neon Tetra

Black 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.

freshwater
Orange Chromide

Orange 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.

brackish
Head and Tail Light Tetra

Head 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.

freshwater
Orange-lined Triggerfish

Orange-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.

reef
Klein's Butterflyfish

Klein's Butterflyfish

A golden-brown Indo-Pacific butterflyfish with a dark eye bar and dusky patches, common on many reefs.

reef
Ornate Butterflyfish

Ornate Butterflyfish

A showy Indo-Pacific butterflyfish with diagonal orange stripes across a white body and black-and-yellow face bands.

reef
Ornate Bichir

Ornate 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.

freshwater
Ornate Ghost Pipefish

Ornate 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.

reef
Orangeshoulder Tang

Orangeshoulder 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.

reef
Diamond Goby

Diamond 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.

reef
White Cloud Mountain Minnow

White 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.

freshwater
Parkinson's Rainbowfish

Parkinson'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.

freshwater
Percula Clownfish

Percula 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.

reef
Orangespine Unicornfish

Orangespine 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.

reef
Diamond Watchman Goby

Diamond 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.

reef
Garibaldi

Garibaldi

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.

reef
Canary Rockfish

Canary 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.

saltwater
Lyretail Anthias

Lyretail 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.

reef
Coral Hind

Coral Hind

A vivid orange-red Indo-Pacific grouper scattered with pale iridescent-blue spots, commonly seen resting near coral heads and reef ledges.

reef