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.

Cunner

Cunner

A small, cold-hardy wrasse with highly variable coloring, found on rocky reefs and kelp beds along the western Atlantic and known for becoming dormant in winter.

saltwater
Bib

Bib

The bib, or pouting, is a small, deep-bodied cod relative of the northeastern Atlantic, easily recognized by its coppery-bronze body marked with dark vertical bars.

saltwater
Yellowfin Grouper

Yellowfin Grouper

The yellowfin grouper is a reddish-brown to olive reef grouper of the Caribbean and western Atlantic, easily recognized by the bright yellow patch on its pectoral fins.

reef

Winter Flounder

The winter flounder is a small, right-eyed flatfish of the northwest Atlantic, named for its habit of moving into shallow coastal bays during the colder months.

saltwater
Snowy Grouper

Snowy Grouper

A dark gray-brown deepwater grouper of the western Atlantic; juveniles are boldly marked with white spots that fade to a plainer, darker pattern in large adults.

deepsea
Spanish Mackerel

Spanish Mackerel

A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.

pelagic
Sea Raven

Sea Raven

A warty, spiny-headed sculpin of the northwestern Atlantic shelf, the Sea Raven can inflate its body with air or water as a defense when disturbed.

saltwater
Red Bream

Red Bream

The red bream, or blackspot seabream, is a pink-tinged sparid with a dark shoulder spot that lives over rocky and sandy bottoms in the northeastern Atlantic and Mediterranean.

saltwater
Pigfish

Pigfish

A grunt of Atlantic and Gulf coast estuaries, marked by diagonal rows of small blue and gold spots and named for its pig-like grunting sound.

brackish
Molly Miller Blenny

Molly Miller Blenny

A hardy little blenny that perches motionless on shallow rocks in tropical Atlantic tide pools, easily recognized by the fringed tentacles above its eyes.

saltwater
Northern Pipefish

Northern Pipefish

A slender, bony-ringed relative of the seahorse that drifts vertically among eelgrass along the western Atlantic coast, camouflaged by its stick-like shape.

saltwater

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
Guitarfish

Guitarfish

A shark-like ray with a flattened, guitar-shaped body that blends features of sharks and rays, common on sandy coastal seabeds of the eastern Atlantic and Mediterranean.

cartilaginous
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
Black Drum

Black Drum

The Black Drum is a deep-bodied, greyish-black sciaenid with distinctive chin barbels, found in estuaries and coastal waters from the mid-Atlantic to Argentina.

brackish
Blue Reef Chromis

Blue Reef Chromis

A slender, brilliant blue schooling fish commonly seen hovering in large numbers above coral reef outcrops throughout the Caribbean and western Atlantic.

reef
Yellow Jack

Yellow Jack

A reef-associated western Atlantic jack easily recognized by the bright yellow wash on its fins and tail, often seen patrolling reef edges in small schools.

reef
Striped Bass

Striped Bass

A large, silvery, hard-fighting bass marked with bold black stripes, native to the Atlantic coast and now widely established in freshwater reservoirs across North America.

brackish
Tautog

Tautog

A large, robust, dark-mottled wrasse tied closely to rocky reefs and wrecks along the western Atlantic coast, known for its powerful shellfish-crushing jaws.

saltwater
Saithe

Saithe

The saithe, or coalfish, is a dark, streamlined Gadidae found in North Atlantic coastal and offshore waters, recognized by its near-black coloring and preference for open midwater schooling.

pelagic
Rock Cook

Rock Cook

A tiny olive-brown wrasse of northeastern Atlantic kelp reefs, the Rock Cook forages among rocks and crevices and can change sex during its lifetime.

saltwater
Pollack

Pollack

Pollack is a streamlined cod relative of the northeastern Atlantic, found around rocky reefs and wrecks, identified by its curved lateral line and protruding lower jaw with no barbel.

saltwater
Mutton Snapper

Mutton Snapper

A rosy-pink Western Atlantic reef snapper marked by blue eye-lines and a small black spot below the dorsal fin, with elegantly pointed fin tips.

reef
Leerfish

Leerfish

A powerful surf-zone predator of the eastern Atlantic and Mediterranean, known as garrick in South Africa and unique among jacks for its smooth, scute-free lateral line.

pelagic