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.

Sand Seatrout

Sand Seatrout

A pale, slender weakfish common in Gulf of Mexico bays and estuaries, closely related to spotted seatrout but lacking body spots.

brackish
Mrigal

Mrigal

A slender, silvery Indian carp and one of the three traditional Indian major carps, the mrigal is a bottom-feeding scavenger with a small mouth and short barbels, farmed widely across South Asia.

freshwater
European Ling

European Ling

A very large, elongated, eel-shaped cod relative found on deep rocky and muddy grounds along the continental shelf edge of the northeastern Atlantic.

deepsea
Whitespotted Puffer

Whitespotted Puffer

A common Indo-Pacific reef puffer with a dark olive-brown body scattered with small white spots and distinctive dark rings around its eyes, gills, and pectoral fin bases.

reef
Whitetip Reef Shark

Whitetip Reef Shark

A slender nocturnal reef shark marked by distinctive white-tipped fins, often seen resting motionless inside reef caves and under ledges by day across the Indo-Pacific.

reef
Guineafowl Pufferfish

Guineafowl Pufferfish

The Guineafowl Pufferfish is a variably colored reef puffer, most often dark brown to black with small white spots, resembling the plumage of a guineafowl bird.

reef
Cottonmouth Jack

Cottonmouth Jack

A plain, silvery-grey deep-water jack named for the pale interior of its mouth, found over continental shelves and slopes across tropical oceans worldwide.

pelagic
Bicolor Damselfish

Bicolor Damselfish

A small reef fish sharply split into a dark front half and a pale rear half, common on Caribbean and western Atlantic coral reefs where it defends algae-covered territories.

reef
Oceanic Whitetip Shark

Oceanic Whitetip Shark

A robust open-ocean shark identified by its large, rounded, white-mottled fins, once one of the most abundant pelagic sharks but now heavily depleted across tropical open oceans worldwide.

pelagic
Whitetail Surgeonfish

Whitetail Surgeonfish

A slender, dark-bodied tang with a strikingly pale, forked tail, often seen hovering in groups over Indo-Pacific reef drop-offs to feed on drifting zooplankton.

reef
Spotted Eagle Ray

Spotted Eagle Ray

A striking, diamond-shaped ray covered in bright white spots on a dark back, known for graceful swimming and spectacular leaps above coral reefs.

reef
Skunk Clownfish

Skunk Clownfish

A slender, pale peach-to-pink anemonefish marked by a single white stripe running from snout to tail, living in symbiosis with sea anemones on 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
Passer Angelfish

Passer Angelfish

An eastern-Pacific angelfish with a dark blue body, a single white vertical bar, and a yellow tail.

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
Scissortail Rasbora

Scissortail Rasbora

A slender silver rasbora named for its striking black-and-white tail markings that open and close in a scissor-like motion while swimming.

freshwater
Saddleback Butterflyfish

Saddleback Butterflyfish

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

reef
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
Moorish Idol

Moorish Idol

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

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
Red Devil Cichlid

Red Devil Cichlid

A bold, thick-lipped Nicaraguan cichlid known for its fiery orange-red or white coloration and famously feisty, combative temperament.

freshwater