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.

Two-spot Red Snapper

The two-spot red snapper, or bohar snapper, is a large, deep red Indo-Pacific reef predator, sometimes showing two pale saddle spots on the back, and an important predator on coral reef slopes.

reef
White Hake

White Hake

White hake is a large, elongated cod relative of the western North Atlantic shelf and slope, larger and grayer than red hake, with long pelvic fin filaments.

saltwater
Twinspot Wrasse

Twinspot Wrasse

A large Indo-Pacific wrasse; juveniles are white with two red-and-black spots, while old males become bulky and greenish with a forehead hump.

reef
Tomtate

Tomtate

A small silvery grunt common over reefs and hard-bottom habitats of the western Atlantic, recognized by a dark blotch near the base of its tail fin.

reef
Texas Cichlid

Texas Cichlid

The only cichlid native to the United States, this pearly, turquoise-spotted fish thrives in the rivers of Texas and northeastern Mexico.

freshwater
Staghorn Sculpin

Staghorn Sculpin

A common bottom-dwelling sculpin of Pacific coast bays and estuaries, named for the large branching (antler-like) spine on its gill cover.

brackish
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
Sauger

Sauger

A slender, olive-gold relative of the walleye, best known for the rows of black spots on its spiny dorsal fin and its love of murky river currents.

freshwater
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
Pilotfish

Pilotfish

A boldly barred open-ocean jack famous for closely trailing sharks and other large marine animals for shelter and feeding opportunities.

pelagic
Powder Blue Tang

Powder Blue Tang

A vivid powder-blue surgeonfish with a black facial mask and white throat patch, common on shallow reef edges across the Indian Ocean.

reef
Rainbow Wrasse

Rainbow Wrasse

A slender Mediterranean and eastern-Atlantic wrasse; terminal males have a vivid orange zigzag stripe along a blue-green body.

saltwater
Queenfish

Queenfish

A small, slender drum common in California bays and nearshore waters, notable for forming large, tightly packed schools near the surface.

saltwater
Plecostomus

Plecostomus

A heavily armored South American catfish with a downward-facing sucker mouth used to graze algae from rocks and submerged wood.

freshwater
Reedfish

Reedfish

A snake-bodied African fish with a lung-like breathing organ, related to bichirs, prized for its unusual elongated form and air-breathing ability.

freshwater
Red Snapper

Red Snapper

A rosy-red snapper of the Gulf of Mexico and southeastern U.S. coast, recognized by its sloped profile, sharp triangular teeth, and bright red eyes.

reef
Northern Wolffish

Northern Wolffish

The largest wolffish species, the Northern Wolffish is a plain grey-brown, deep-water predator of the North Atlantic and Arctic with powerful crushing jaws.

deepsea
Megamouth Shark

Megamouth Shark

An enormous, gentle filter-feeding shark with a massive rounded mouth, discovered only in 1976 and still one of the rarest sharks on record.

deepsea
Mulloway

Mulloway

A large, powerful drum found around Australia, South Africa, and parts of Asia, known for its silvery body, bronze sheen, and impressive size.

saltwater
Madagascar Rainbowfish

Madagascar Rainbowfish

An elongated, silvery rainbowfish from Madagascar's eastern rainforest rivers, recognized by its bold black-edged yellow and red fin markings.

freshwater

Hardhead Catfish

A common western Atlantic sea catfish with a bony plate on its head, short barbels, and a mouthbrooding reproductive strategy shared with related sea catfish.

saltwater
Loach Goby

Loach Goby

The Loach Goby is an elongated, flat-bodied fish that clings to rocks in fast-flowing Indo-Pacific streams, combining goby and loach-like features.

freshwater
Indo-Pacific Sailfish

Indo-Pacific Sailfish

The Indo-Pacific sailfish is a large, streamlined billfish famed for its towering, sail-like dorsal fin and status as one of the fastest fish in the ocean.

pelagic

Kingfish

Kingfish, led by the Northern Kingfish, are silvery-grey surf-zone drums with a chin barbel and diagonal body bars, common along Atlantic beaches.

saltwater