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.
Kingfish
Kingfish, led by the Northern Kingfish, are silvery-grey surf-zone drums with a chin barbel and diagonal body bars, common along Atlantic beaches.
saltwater
Bluefin Tuna
One of the largest and fastest bony fish in the ocean, the Bluefin Tuna is a warm-blooded, torpedo-shaped predator capable of long transoceanic migrations across the Atlantic.
pelagicZebra Seahorse
A small, boldly striped seahorse endemic to northern Australian waters, patterned with fine dark bands that give it a distinctly zebra-like appearance.
reef
Silver Scat
A disc-shaped, silvery fish marked with dark vertical bars, found schooling in brackish estuaries and mangroves across the Indo-Pacific and northern Australia.
brackish
Ballan Wrasse
The largest wrasse in northern European waters, a stout rocky-reef fish with highly variable green, brown, or reddish mottling.
saltwater
Sand Goby
A small, sand-colored goby common on shallow sandy seabeds and estuaries around northern Europe, distinguished by a dark spot at the base of its first dorsal fin.
brackish
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
Colombian Tetra
A large, vividly rose-red characin native to northern Colombian rivers, notable for its bold coloration and confident schooling behavior.
freshwater
Arctic Grayling
The Arctic grayling is a cold-water salmonid recognized by its tall, colorfully spotted dorsal fin, inhabiting clean rivers and lakes across northern North America and Siberia.
freshwater
Arctic Char
A cold-adapted char of circumpolar northern waters, showing extremely variable coloration and body form across isolated lake and anadromous populations.
freshwater
Burbot
The burbot is the only fully freshwater member of the cod family, an eel-shaped, mottled predator found in cold lakes and rivers across the Northern Hemisphere.
freshwater
Cisco
Cisco, also known as lake herring, are slender silvery relatives of whitefish that form large open-water schools in the cold lakes of the northern United States and Canada, feeding mainly on plankton.
freshwaterIndian 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
Lake Trout
A large, deep-lake char native to cold northern North American waters, marked by pale spots on a dark greenish-gray body and a deeply forked tail. It typically inhabits the coldest, deepest zones of large lakes.
freshwater
Tarpon Snook Blenny
A slender, elongated pikeblenny with a pointed snout and torpedo-shaped body, sheltering in abandoned tube-worm holes on sandy reef flats and seagrass beds of the western Atlantic and Caribbean.
reef
Pipefish
A slender, elongated relative of the seahorse with a rigid, ring-plated body and tubular snout, commonly found camouflaged among seagrass and algae in coastal waters worldwide.
saltwater