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.

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
European Anchovy

European Anchovy

A slender, small-bodied schooling fish with a distinctive pointed snout and underslung mouth, found in enormous shoals along European and North African coasts and throughout the Mediterranean.

pelagic
Northern Anchovy

Northern Anchovy

A small, slender schooling fish with a pointed snout and large mouth, abundant along the Pacific coast of North America, where it forms a key part of the California Current forage base.

pelagic
Japanese Anchovy

Japanese Anchovy

A small, abundant schooling fish found throughout the coastal waters of Japan, Korea, and China, the Japanese Anchovy is one of the most heavily fished species in the western Pacific and a vital link in regional marine food webs.

pelagic
Bay Anchovy

Bay Anchovy

One of the most abundant fish in Atlantic and Gulf Coast estuaries, the tiny Bay Anchovy is a key forage species that tolerates a wide range of salinities from open bays to nearly fresh tidal creeks.

brackish

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
Ukrainian Brook Lamprey

Ukrainian Brook Lamprey

The Ukrainian brook lamprey is a small, non-parasitic jawless fish that lives its entire life in freshwater streams of Eastern Europe, feeding only during a long larval stage.

freshwater

Korean Lamprey

The Korean lamprey is a small, non-parasitic jawless fish native to freshwater streams of the Korean Peninsula, feeding only during a long larval stage before a brief adult life.

freshwater
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
Threadfin Trevally

Threadfin Trevally

An Indo-Pacific jack whose juveniles trail extraordinarily long thread-like fins, maturing into deep-bodied, steep-headed adults over sandy coastal bottoms and reef edges.

reef
Mrigal

Mrigal

A slender, silvery Indian carp and one of the three traditional Indian major carps, the mrigal is a bottom-feeding scavenger with a small mouth and short barbels, farmed widely across South Asia.

freshwater
Western Brook Lamprey

Western Brook Lamprey

The western brook lamprey is a small, non-parasitic jawless fish that spends most of its life as a burrowing larva in Pacific Northwest streams before a brief, non-feeding adult stage.

freshwater
Sockeye Salmon

Sockeye Salmon

A Pacific salmon renowned for its brilliant crimson spawning coloration and strong dependence on lake habitat during its freshwater juvenile stage.

freshwater
Far Eastern Brook Lamprey

Far Eastern Brook Lamprey

A small, jawless, non-parasitic lamprey native to clear freshwater streams across Japan, Korea, and mainland East Asia, spending most of its life as a burrowing larva before a brief non-feeding adult stage.

freshwater
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
Black Jack

Black Jack

The Black Jack is a large, uniformly dark trevally that forms big schools around offshore tropical reefs and current-swept drop-offs across the Indian, Pacific, and Atlantic Oceans.

reef
Zebra Loach

Zebra Loach

A small, boldly striped South Indian loach with fine dark vertical bands, popular in aquariums for its compact size and peaceful, social behavior.

freshwater
Sebae Clownfish

Sebae Clownfish

A dark brown clownfish with a bold yellow tail and two white body bars, native to reefs of the northern Indian Ocean and closely tied to the sebae sea anemone.

reef
Rohu

Rohu

A large South Asian river carp with a streamlined, silvery-grey body, widely farmed across the Indian subcontinent as a major aquaculture species and prized angling fish.

freshwater
Blonde Naso Tang

Blonde Naso Tang

A striking unicornfish with a gray body, black-and-yellow facial markings, and a bright yellow blaze along the back, best known in the aquarium trade as the Indian Ocean's 'blonde' color form.

reef
Striped Marlin

Striped Marlin

A swift, streamlined billfish famous for its tall, sail-like blue dorsal fin and rows of pale vertical stripes, ranging widely through the Pacific and Indian Oceans as a top offshore predator.

pelagic