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.

Catla

Catla

One of India's most important aquaculture fish, the catla is a large, fast-growing surface-feeding carp with a broad head, upturned mouth, and deep body suited to filtering plankton from open water.

freshwater
American Gizzard Shad

American Gizzard Shad

A deep-bodied, blunt-snouted herring relative common in lakes and rivers across eastern and central North America, the American Gizzard Shad is a highly abundant forage fish named for its muscular, gizzard-like stomach.

freshwater
Yellow Perch

Yellow Perch

A golden-yellow freshwater fish marked by dark vertical bars and orange-tinged fins, native to lakes and slow-moving rivers across North America. It is one of the most abundant and widely recognized panfish species.

freshwater
Yellowtail Snapper

Yellowtail Snapper

A slender Caribbean reef fish with a bold golden stripe running from snout to its deeply forked yellow tail. Often seen swimming in open water above reefs rather than hugging the bottom.

reef
Spanish Sardine

Spanish Sardine

A schooling pelagic fish found throughout warm Atlantic and Mediterranean waters, the Spanish Sardine is larger than the related European Sardine and forms an important forage species across its wide tropical to subtropical range.

pelagic
Potato Grouper

Potato Grouper

The potato grouper is one of the largest reef groupers, a pale grey fish covered in dark blotches resembling potato skin, found on Indo-Pacific reefs and known for its curious, approachable behavior toward divers.

reef
Pacific Anchovy

Pacific Anchovy

A small, slender schooling fish abundant along the eastern Pacific coast from Canada to Baja California, the Pacific Anchovy is a key forage species known for its long snout and prominent silvery lateral stripe.

pelagic
Bluestripe Pipefish

Bluestripe Pipefish

The bluestripe pipefish is a tiny reef pipefish with a bright blue lateral stripe running along a tan or orange body, often seen hovering near crevices where it also cleans parasites from larger fish.

reef
Gizzard Shad

Gizzard Shad

A deep-bodied, silvery freshwater fish easily recognized by its blunt, rounded snout and long, whip-like filament trailing from the last dorsal fin ray, common in rivers, lakes, and reservoirs across North America.

freshwater

Pacific Menhaden

A deep-bodied, silvery schooling fish found along the Pacific coast of South America, marked by a row of dark spots along its flank and adapted to feeding within the highly productive Humboldt Current upwelling system.

pelagic

Indian Oil Sardine

A small, oil-rich pelagic fish abundant along India's western coast and the wider northern Indian Ocean, the Indian Oil Sardine forms massive schools and is one of the region's most heavily monitored fisheries species.

pelagic
Cherry Salmon

Cherry Salmon

The cherry salmon is a Pacific salmon native to East Asia that exists in two forms: a smaller freshwater-resident form called yamame and a larger, silvery sea-run form, both named for the pink cherry-blossom hue of spawning fish.

freshwater
Bala Shark

Bala Shark

A torpedo-shaped, silver freshwater fish named for its shark-like body outline, though it is a true minnow relative, not a shark. Bold black margins on its fins make it a striking, fast-swimming schooler of Southeast Asian rivers.

freshwater
Skipjack Tuna

Skipjack Tuna

A small, fast-swimming tuna with bold dark stripes along its lower body, forming enormous schools across warm oceans and supporting the world's largest tuna fishery.

pelagic
Widow Rockfish

Widow Rockfish

A bronze-brown, large-eyed rockfish that forms dense midwater schools over the outer continental shelf and was once the target of one of the Pacific coast's largest groundfish fisheries.

saltwater

Whipnose Anglerfish

A deep-sea anglerfish with an extraordinarily long, whip-like fishing rod, often exceeding its own body length, tipped with a luminous lure trailed out in the darkness to draw in curious prey.

deepsea