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.
Cunner
A small, cold-hardy wrasse with highly variable coloring, found on rocky reefs and kelp beds along the western Atlantic and known for becoming dormant in winter.
saltwaterBib
The bib, or pouting, is a small, deep-bodied cod relative of the northeastern Atlantic, easily recognized by its coppery-bronze body marked with dark vertical bars.
saltwaterYellowfin Grouper
The yellowfin grouper is a reddish-brown to olive reef grouper of the Caribbean and western Atlantic, easily recognized by the bright yellow patch on its pectoral fins.
reefWinter Flounder
The winter flounder is a small, right-eyed flatfish of the northwest Atlantic, named for its habit of moving into shallow coastal bays during the colder months.
saltwaterSnowy Grouper
A dark gray-brown deepwater grouper of the western Atlantic; juveniles are boldly marked with white spots that fade to a plainer, darker pattern in large adults.
deepseaSpanish Mackerel
A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.
pelagicSea Raven
A warty, spiny-headed sculpin of the northwestern Atlantic shelf, the Sea Raven can inflate its body with air or water as a defense when disturbed.
saltwaterRed Bream
The red bream, or blackspot seabream, is a pink-tinged sparid with a dark shoulder spot that lives over rocky and sandy bottoms in the northeastern Atlantic and Mediterranean.
saltwaterPigfish
A grunt of Atlantic and Gulf coast estuaries, marked by diagonal rows of small blue and gold spots and named for its pig-like grunting sound.
brackishMolly Miller Blenny
A hardy little blenny that perches motionless on shallow rocks in tropical Atlantic tide pools, easily recognized by the fringed tentacles above its eyes.
saltwaterNorthern Pipefish
A slender, bony-ringed relative of the seahorse that drifts vertically among eelgrass along the western Atlantic coast, camouflaged by its stick-like shape.
saltwaterKingfish
Kingfish, led by the Northern Kingfish, are silvery-grey surf-zone drums with a chin barbel and diagonal body bars, common along Atlantic beaches.
saltwaterGuitarfish
A shark-like ray with a flattened, guitar-shaped body that blends features of sharks and rays, common on sandy coastal seabeds of the eastern Atlantic and Mediterranean.
cartilaginousEuropean Ling
A very large, elongated, eel-shaped cod relative found on deep rocky and muddy grounds along the continental shelf edge of the northeastern Atlantic.
deepseaBlack Drum
The Black Drum is a deep-bodied, greyish-black sciaenid with distinctive chin barbels, found in estuaries and coastal waters from the mid-Atlantic to Argentina.
brackishBlue Reef Chromis
A slender, brilliant blue schooling fish commonly seen hovering in large numbers above coral reef outcrops throughout the Caribbean and western Atlantic.
reefYellow Jack
A reef-associated western Atlantic jack easily recognized by the bright yellow wash on its fins and tail, often seen patrolling reef edges in small schools.
reefStriped Bass
A large, silvery, hard-fighting bass marked with bold black stripes, native to the Atlantic coast and now widely established in freshwater reservoirs across North America.
brackishTautog
A large, robust, dark-mottled wrasse tied closely to rocky reefs and wrecks along the western Atlantic coast, known for its powerful shellfish-crushing jaws.
saltwaterSaithe
The saithe, or coalfish, is a dark, streamlined Gadidae found in North Atlantic coastal and offshore waters, recognized by its near-black coloring and preference for open midwater schooling.
pelagicRock Cook
A tiny olive-brown wrasse of northeastern Atlantic kelp reefs, the Rock Cook forages among rocks and crevices and can change sex during its lifetime.
saltwaterPollack
Pollack is a streamlined cod relative of the northeastern Atlantic, found around rocky reefs and wrecks, identified by its curved lateral line and protruding lower jaw with no barbel.
saltwaterMutton Snapper
A rosy-pink Western Atlantic reef snapper marked by blue eye-lines and a small black spot below the dorsal fin, with elegantly pointed fin tips.
reefLeerfish
A powerful surf-zone predator of the eastern Atlantic and Mediterranean, known as garrick in South Africa and unique among jacks for its smooth, scute-free lateral line.
pelagic