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.

Cubbyu

Cubbyu

A small, deep-bodied drum with a tall dorsal fin and faint dark stripes, often seen hovering near reef ledges in the western Atlantic.

reef
Dusky Shark

Dusky Shark

A large, robust requiem shark found along continental coastlines worldwide, notable for its slow growth and long-distance migrations.

saltwater
Bluefin Killifish

Bluefin Killifish

A small, slender killifish native to Florida and the southeastern US, named for the iridescent blue fringe on the male's dorsal and anal fins.

freshwater
Bonefish

Bonefish

A silvery, torpedo-shaped fish of shallow tropical flats, nicknamed the 'grey ghost' for its uncanny ability to vanish against sandy bottoms.

saltwater
Blacktip Shark

Blacktip Shark

A fast, energetic coastal shark named for the black tips on most of its fins, often seen leaping and spinning while chasing schooling fish.

saltwater
American Brook Lamprey

American Brook Lamprey

The American brook lamprey is a small, non-parasitic freshwater lamprey found in clean streams across eastern North America, closely related to the Arctic lamprey but never feeding once it reaches adulthood.

freshwater
Japanese Eel

Japanese Eel

The Japanese Eel is an East Asian catadromous fish that migrates from freshwater rivers to offshore Pacific spawning grounds, and is now classified as Endangered.

freshwater
Merry Widow

Merry Widow

A small, peaceful Central American livebearer with a translucent grayish body and a distinctive dark spot near the gill cover, popular among hobbyists for decades.

freshwater
Grass Carp

Grass Carp

A large, torpedo-shaped herbivorous carp native to East Asia, widely introduced worldwide to control aquatic vegetation due to its voracious appetite for water plants.

freshwater
Bridled Burrfish

Bridled Burrfish

A small Caribbean burrfish with fixed, non-erectile spines and a pale body marked with fine dark reticulations and scattered blotches, often resting motionless among seagrass.

reef
Whiting

Whiting

The whiting is a slender, silvery member of the cod family found across northeastern Atlantic shelf seas, easily recognized by the small black blotch at the base of its pectoral fin.

saltwater

Miller Lake Lamprey

The Miller Lake lamprey is a tiny, non-parasitic jawless fish historically restricted to a single lake and its tributary streams in Oregon, one of the smallest lamprey species known.

freshwater

Tiger Muskie

A hybrid of northern pike and muskellunge, this elongated apex predator sports bold dark tiger stripes and is prized as one of freshwater's most aggressive game fish.

freshwater
Telescopefish

Telescopefish

A slender deep-sea fish named for its forward-directed, tubular telescoping eyes, which provide sharp binocular vision to detect faint prey silhouettes in near-total darkness.

deepsea
Striped Sea Robin

Striped Sea Robin

A bottom-dwelling northwestern Atlantic fish with an armored head and wing-like pectoral fins, the Striped Sea Robin shows bold dark diagonal bars along its brownish body.

saltwater
Southern Platyfish

Southern Platyfish

The full common name for the widely kept platy, the southern platyfish is a small, hardy livebearer native to Mexico, Belize, and Guatemala, prized for its color variety and easy breeding.

freshwater
Spotted Bass

Spotted Bass

A compact black bass species with rows of small dark spots below the lateral line, native to the Mississippi and Gulf drainages and often found alongside Largemouth and Smallmouth Bass.

freshwater
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
Redear Sunfish

Redear Sunfish

A deep-bodied sunfish named for the bright red-orange margin on its black ear flap, notable for its specialized diet of snails and other mollusks in warm southern lakes and ponds.

freshwater
Rock Wrasse

Rock Wrasse

A common temperate wrasse of California and Baja kelp forests, recognized by its elongated olive-green body, salmon-pink belly, and a dark saddle-like blotch near the tail.

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
Peacock Gudgeon

Peacock Gudgeon

A vividly colored, peaceful gudgeon from Papua New Guinea, prized in aquariums for its blue-spangled body, orange fins, and calm temperament rare among small predatory fish.

freshwater
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
Largetooth Sawfish

Largetooth Sawfish

One of the largest sawfish species, uniquely able to travel far up freshwater rivers, now Critically Endangered and eliminated from most of its former circumtropical range.

cartilaginous