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.

Cherry Barb

Cherry Barb

A small, slender freshwater fish whose males flush a deep cherry-red color, especially during breeding, while both sexes show a dark horizontal stripe running along the body.

freshwater
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
Senegal Bichir

Senegal Bichir

An elongated, primitive-looking freshwater fish with a row of small spiny finlets along its back and paired lung-like breathing organs, retaining features from ancient ray-finned fish ancestors.

freshwater
Smallmouth Bass

Smallmouth Bass

A bronze-green freshwater bass native to eastern North America, prized as a popular sport fish and recognized by its vertical dark bars and reddish eyes. It favors clear, rocky rivers, streams, and lakes.

freshwater
Chinese High-Fin Banded Shark

Chinese High-Fin Banded Shark

Despite its name, the Chinese High-Fin Banded Shark is not a shark at all but a large freshwater sucker native to China's Yangtze River basin, known for its tall sail-like dorsal fin.

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
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

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

Guppy

A small livebearing fish native to northeastern South America, famous for the males' vividly colored, ornately shaped tails and its worldwide popularity in the aquarium hobby.

freshwater