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.
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
Scissortail Rasbora
A slender silver rasbora named for its striking black-and-white tail markings that open and close in a scissor-like motion while swimming.
freshwater
Ram Cichlid
A small, dazzlingly colorful South American dwarf cichlid prized for its violet-blue iridescence and peaceful, pair-bonding nature.
freshwater
Rock Goby
A small, mottled goby common in rocky tide pools along European and North African coasts, easily spotted darting between rocks at low tide.
saltwater
Red Devil Cichlid
A bold, thick-lipped Nicaraguan cichlid known for its fiery orange-red or white coloration and famously feisty, combative temperament.
freshwater
Pygmy Corydoras
The Pygmy Corydoras is one of the smallest armored catfish species, a tiny schooling fish native to slow-moving tributaries of the Amazon basin.
freshwater
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
Knife Livebearer
A slender Central American livebearer named for the sharp, blade-like keel along its belly, an adaptation believed to aid rapid escape jumps.
freshwater
Hillstream Loach
A flattened, disc-bodied loach adapted to cling to rocks in fast mountain streams, using its wide fanned fins as a natural suction system.
freshwater
Jaguar Cichlid
A large, powerfully built Central American predator whose irregular black leopard-like blotches over a pale body give it its common name.
freshwater
Frilled Shark
An eel-like, primitive deep-sea shark often called a living fossil, with six frilly gill slits and rows of needle-like teeth for catching soft-bodied prey.
deepsea
Cubbyu
A small, deep-bodied drum with a tall dorsal fin and faint dark stripes, often seen hovering near reef ledges in the western Atlantic.
reef
Dusky Shark
A large, robust requiem shark found along continental coastlines worldwide, notable for its slow growth and long-distance migrations.
saltwater
Bluefin Killifish
A small, slender killifish native to Florida and the southeastern US, named for the iridescent blue fringe on the male's dorsal and anal fins.
freshwater
Bonefish
A silvery, torpedo-shaped fish of shallow tropical flats, nicknamed the 'grey ghost' for its uncanny ability to vanish against sandy bottoms.
saltwater
Blacktip Shark
A fast, energetic coastal shark named for the black tips on most of its fins, often seen leaping and spinning while chasing schooling fish.
saltwater
Atlantic Wolffish
A large, eel-like cold-water fish with powerful crushing jaws, sheltering solitarily in rocky dens across the North Atlantic.
saltwater
Alligator Gar
A massive, armor-scaled freshwater fish with a broad alligator-like snout lined with two rows of sharp teeth, among the largest freshwater fish in North America.
freshwater
American Flagfish
A stocky, deep-bodied killifish native to Florida, named for the red-and-blue striped, star-marked flank pattern of breeding males reminiscent of a flag.
freshwater
Whiting
The whiting is a slender, silvery member of the cod family found across northeastern Atlantic shelf seas, easily recognized by the small black blotch at the base of its pectoral fin.
saltwaterMiller Lake Lamprey
The Miller Lake lamprey is a tiny, non-parasitic jawless fish historically restricted to a single lake and its tributary streams in Oregon, one of the smallest lamprey species known.
freshwaterTiger 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
Telescopefish
A slender deep-sea fish named for its forward-directed, tubular telescoping eyes, which provide sharp binocular vision to detect faint prey silhouettes in near-total darkness.
deepsea
Striped Sea Robin
A bottom-dwelling northwestern Atlantic fish with an armored head and wing-like pectoral fins, the Striped Sea Robin shows bold dark diagonal bars along its brownish body.
saltwater