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.

Fourstripe Damselfish

Fourstripe Damselfish

A white damselfish marked with three bold black bars plus a black tail, forming a four-banded pattern as it hovers around branching coral on Indo-Pacific reefs.

reef
Colombian Shark Catfish

Colombian Shark Catfish

A sleek, silver, shark-shaped catfish with a tall dorsal fin and long barbels, native to brackish river mouths along the Pacific coast of Central and South America.

brackish
Magnificent Rabbitfish

Magnificent Rabbitfish

A striking white rabbitfish patterned with bold black head markings and a black-edged dorsal fin, giving it a panda-like appearance among the more brightly colored reef rabbitfishes.

reef
Racoon Butterflyfish

Racoon Butterflyfish

An Indo-Pacific butterflyfish with a black 'mask' over the eyes bordered by white and a broad yellow body.

reef
Banded Butterflyfish

Banded Butterflyfish

A white Caribbean butterflyfish crossed by bold black vertical bands, including one masking the eye.

reef
Midnight Parrotfish

Midnight Parrotfish

A large, dark blue-black Caribbean parrotfish speckled with bright blue-green patches around the head.

reef
Saddleback Butterflyfish

Saddleback Butterflyfish

A large Indo-Pacific butterflyfish with a bold black 'saddle' patch edged in white on the upper rear body.

reef
Picasso Triggerfish

Picasso Triggerfish

A boldly patterned triggerfish with geometric blue, yellow, and black markings, common on shallow Indo-Pacific reef flats.

reef
Yellow Longnose Butterflyfish

Yellow Longnose Butterflyfish

A bright yellow Indo-Pacific butterflyfish with a very long tweezer-like snout and a black eyespot near the tail.

reef
Redband Parrotfish

Redband Parrotfish

A small, variable Caribbean parrotfish; terminal males are green with a red band and a distinctive yellow-and-black shoulder spot.

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
Jackknife-fish

Jackknife-fish

A boldly black-and-white striped reef drum with a dramatic, curved dorsal fin that resembles the blade of an open jackknife.

reef
Domino Damselfish

Domino Damselfish

A hardy black damselfish marked with three bold white spots as a juvenile, named for its resemblance to a domino tile.

reef
Bumblebee Fish

Bumblebee Fish

A tiny, boldly banded goby popular in brackish aquariums, named for its wasp-like black-and-yellow stripes.

brackish
Raccoon Butterflyfish

Raccoon Butterflyfish

A round, orange-and-white butterflyfish with a black mask-like eye band, named for its raccoon-like facial markings.

reef
Panda Corydoras

Panda Corydoras

A small, pale armored catfish with bold black patches around the eyes and tail, resembling its namesake in miniature form.

freshwater
Moorish Idol

Moorish Idol

An unmistakable disc-shaped reef fish with bold black-white-yellow bands and a dramatically long trailing dorsal fin.

reef
Penguin Tetra

Penguin Tetra

An Amazonian characin recognized by its bold black tail stripe and unusual head-up swimming posture resembling a penguin's stance.

freshwater
Tiger Shovelnose Catfish

Tiger Shovelnose Catfish

A large South American river catfish with a distinctive flattened, shovel-shaped snout and bold black stripes across a pale body.

freshwater
Serpae Tetra

Serpae Tetra

A vividly red-bodied tetra with a bold black shoulder patch, known for its assertive, nippy temperament within shoaling groups.

freshwater
High-hat

High-hat

A striking black-and-white striped reef drum related to the jackknife-fish, easily recognized by its tall, elongated dorsal fin.

reef
Threespot Dascyllus

Threespot Dascyllus

A robust black-bodied damselfish bearing three white spots in youth, one of the most widespread dascyllus species on Indo-Pacific reefs.

reef
Spotted Seatrout

Spotted Seatrout

A slender estuarine predator of the southeastern United States, recognized by the bold black spots scattered across its silvery back and dorsal fin.

brackish
Spotfin Croaker

Spotfin Croaker

A robust surf-zone drum from Southern California and Baja, easily identified by a bold black spot at the base of each pectoral fin.

saltwater