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.
Northern Wolffish
The largest wolffish species, the Northern Wolffish is a plain grey-brown, deep-water predator of the North Atlantic and Arctic with powerful crushing jaws.
deepsea
Dog Snapper
A robust, coppery-red Western Atlantic snapper named for its prominent canine teeth, identified by a pale triangular patch beneath the eye.
reef
Common Dragonet
A sand-dwelling northeastern Atlantic fish with striking sexual dimorphism, males growing a dramatically elongated dorsal fin and long tail streamers.
saltwater
American Plaice
A right-eyed flounder of the cold North Atlantic, identifiable by its rough scales, curved lateral line, and reddish-brown upper body.
saltwater
Warsaw Grouper
A massive, deep-dwelling western Atlantic grouper with a dark brownish-red body, oversized head, and a second dorsal spine noticeably longer than the others.
deepsea
Speckled Hind
A reddish-brown to blackish western Atlantic grouper densely covered in small pale blue-white spots, giving rise to its nickname the "strawberry grouper."
deepsea
Pacific Halibut
The Pacific halibut is a massive right-eyed flatfish of the cold North Pacific, closely related to the Atlantic halibut and among the largest bony fish in its range.
saltwater
Queen Triggerfish
The Queen Triggerfish is a strikingly colorful Atlantic reef fish, marked by blue facial lines, a yellow-tinged tail, and elongated dorsal and tail fin filaments.
reef
Ocean Pout
An eel-like bottom-dweller of the northwestern Atlantic, the Ocean Pout produces natural antifreeze proteins that let it stay active in near-freezing winter waters.
saltwater
Dragon Goby
The Dragon Goby is a long, eel-like fish with a violet sheen and a large upturned mouth, found burrowing in muddy estuaries along the Americas' Atlantic coast.
brackish
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.
saltwater
Bib
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.
saltwater
Yellowfin 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.
saltwater
Snowy 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.
deepsea
Spanish Mackerel
A slender, fast-swimming mackerel of the western Atlantic, easily identified by rows of bright yellow-gold spots scattered along its silvery flanks.
pelagic
Sea 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.
saltwater
Red 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.
saltwater
Pigfish
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.
brackish
Molly 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.
saltwater
Northern 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.
saltwater
Guitarfish
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.
cartilaginous
European 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.
deepsea