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.

all freshwater saltwater reef pelagic cartilaginous deepsea brackish

Kokanee Salmon

Kokanee are a landlocked, non-migratory form of sockeye salmon that spend their entire life in freshwater lakes, turning bright red during their autumn spawning run into tributary streams.

Salmon

A large anadromous fish that hatches in freshwater rivers, migrates to the ocean to mature, and returns upriver to spawn, prized as an iconic sport fish.

Sockeye Salmon

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

Pink Salmon

The smallest and most abundant Pacific salmon, notable for its strict two-year life cycle and the pronounced dorsal hump males develop when spawning.

Coho Salmon

A mid-sized Pacific salmon known as silver salmon for its bright, metallic ocean coloration, popular among anglers for its aggressive strikes.

Chum Salmon

A large, widely distributed Pacific salmon known for the bold calico-patterned stripes and blotches that spawning adults develop along their flanks.

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.

Atlantic Salmon

Atlantic Salmon

An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.

Salmon Shark

A powerful, warm-bodied mackerel shark closely related to the Porbeagle, built for speed in the cold North Pacific and named for its preference for salmon.

Masu Salmon

Masu salmon is the southernmost and westernmost Pacific salmon species, native to Japan, Korea, and the Russian Far East, notable for males that can mature and spawn entirely within freshwater.

Chinook Salmon

The largest of the Pacific salmon species, prized for its size, known for long river migrations that can exceed a thousand miles.

Salmon-red Rainbowfish

Salmon-red Rainbowfish

A deep-bodied rainbowfish endemic to Lake Sentani in Papua, Indonesia, where mature males develop a vivid overall salmon-red to orange coloration.

Dog Salmon Herring

Dog Salmon Herring

Despite the name, this is the chum salmon, nicknamed 'dog salmon' for its prominent canine-like spawning teeth — a true Pacific salmon, not a herring.

Bristol Bay Sockeye

Bristol Bay Sockeye

Bristol Bay sockeye are the world's largest wild sockeye salmon run, turning brilliant red with olive-green heads as they surge from the Bering Sea into Alaska's rivers to spawn.

Huchen

The huchen, or Danube salmon, is Europe's largest freshwater salmonid, a powerful river predator native to the Danube basin that has become increasingly rare due to damming and habitat fragmentation.

Australian Lungfish

Australian Lungfish

One of the most primitive living fish, this large freshwater species has a single lung, paddle-like fins, and a lineage that has remained largely unchanged for over 100 million years.

Ohrid Trout

The Ohrid Trout is a salmonid endemic to Lake Ohrid on the border of North Macedonia and Albania, found nowhere else on Earth and now critically endangered in the wild.

Bocaccio

A large, streamlined rockfish with a prominent lower jaw and reddish-brown to olive coloring, once heavily depleted along the Pacific coast and now the focus of long-term rebuilding efforts.

Sea Trout

Sea Trout is the migratory, sea-run form of the brown trout, spending its adult life feeding along European coastlines before returning to rivers to spawn.

Red Rainbowfish

Red Rainbowfish

A striking, deep-bodied rainbowfish endemic to Lake Sentani in Papua, New Guinea, with adult males turning an intense salmon-red as they mature.

Whitefish

Lake whitefish are silvery, streamlined members of the salmon family that inhabit cold, deep lakes across North America, feeding along the bottom for insect larvae and small invertebrates.

Taimen

Taimen are the largest member of the salmon family, a giant freshwater predator native to remote rivers of Siberia and Mongolia that can live for decades and grow to well over a meter long.

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.

Brown Trout

A golden-brown salmonid native to Europe and western Asia, marked by dark and reddish spots along its body, now widely introduced across the globe. It favors cool, clear rivers, streams, and lakes.