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.

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
Silver Bream

Silver Bream

A silvery European freshwater fish with notably large, protruding eyes, often confused with young Common Bream but distinguished by its larger scales.

freshwater
Sergeant Major

Sergeant Major

A common silvery damselfish marked with five bold black vertical bars, resembling military rank stripes, found on shallow tropical reefs.

reef
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
Pouting

Pouting

Also called bib, the Pouting is a deep-bodied, coppery-bronze gadoid common around rocky reefs and wrecks of the northeastern Atlantic and Mediterranean.

saltwater
Mediterranean Flyingfish

Mediterranean Flyingfish

The most common flyingfish of the Mediterranean Sea, with long, mottled pectoral fins and a slender body built for gliding above coastal pelagic waters.

pelagic
Green Terror

Green Terror

A robust, iridescent-green South American cichlid whose bold turquoise spangling and feisty temperament earned it its combative common name.

freshwater
Black Molly

Black Molly

A solid-black, selectively bred color strain of the common molly, the black molly is one of the most recognizable and widely kept aquarium livebearers.

freshwater
White Crappie

White Crappie

A silvery, deep-bodied panfish with faint vertical bars along its sides, common in reservoirs and turbid rivers of the central United States and prized for its schooling habits and delicate mouth.

freshwater
Reef Shark

Reef Shark

A common, streamlined shark patrolling Indo-Pacific coral reefs, recognized by its broad black-edged tail fin and stout gray body.

reef

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

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
Green Jack

Green Jack

The Green Jack is a schooling eastern Pacific jack with a greenish-blue back, silvery sides, and yellowish lower fins, common in coastal surface waters.

pelagic

Fantail Sole

A right-eyed Pacific flatfish named for its broadly rounded, fan-like tail, common on sandy bottoms from California to Baja California.

saltwater
Stoplight Parrotfish

Stoplight Parrotfish

A common Caribbean reef fish whose terminal-phase males show brilliant green bodies with a distinctive yellow spot at the tail base resembling a stoplight.

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
Sheepshead Minnow

Sheepshead Minnow

A stocky, deep-bodied pupfish tolerant of extreme salinity swings, common in salt marshes and tidal creeks along the Atlantic and Gulf coasts of North America.

brackish
Grey Gurnard

Grey Gurnard

A bottom-dwelling gurnard with an armored, pale-spotted grey-brown back and large bluish pectoral fins, common across sandy shelf waters of Europe.

saltwater
Blue Devil Damselfish

Blue Devil Damselfish

A small, intensely electric-blue damselfish common on shallow Indo-Pacific reef flats, with males developing an orange-tinted tail during breeding season.

reef
Silver Mono

Silver Mono

The plain, uniformly silver adult form of the mono, a coin-shaped estuarine fish that loses its faint juvenile eye-bar as it matures. Common in schools around Indo-Pacific mangroves, jetties, and harbors.

brackish
Gulf Pipefish

Gulf Pipefish

The Gulf pipefish is a small, slender pipefish common in seagrass beds and estuaries around the Gulf of Mexico and southeastern United States, notable for tolerating salinities ranging from full seawater to nearly fresh water.

brackish
Yellow Tang

Yellow Tang

A brilliant all-yellow surgeonfish common on Pacific coral reefs, especially around Hawaii, easily recognized by its disc-shaped body and sharp tail spine.

reef
Topsmelt

Topsmelt

A slender, silvery schooling fish common in bays, estuaries, and kelp beds along the eastern Pacific coast, often seen shoaling near the surface in large numbers.

saltwater
Rock Cod

Rock Cod

Rock cod is a common name for numerous Sebastes rockfish species found on rocky Pacific reefs, identified by their deep, spiny-finned body and mottled camouflage coloration.

saltwater