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.
Black Sea Bass
A stocky, dark-bodied grouper relative common on rocky reefs and wrecks along the temperate western Atlantic coast, easily recognized by its high arched back and blunt head.
reefEuropean Sea Bass
The European sea bass is a sleek, silvery predator common along European and North African coasts, prized by anglers as a hard-fighting sport fish.
saltwaterBlack Sea Bream
A deep-bodied porgy of the Mediterranean and Eastern Atlantic, notable for males that excavate and guard nest depressions on the seabed during spawning.
saltwaterLargemouth Bass
A robust, olive-green freshwater fish with a distinctive dark lateral stripe and a very large mouth, one of North America's most popular sport fish now established worldwide.
freshwaterSpotted Bass
A compact black bass species with rows of small dark spots below the lateral line, native to the Mississippi and Gulf drainages and often found alongside Largemouth and Smallmouth Bass.
freshwaterChalk Bass
A tiny bicolored sea bass with a lavender-blue head and orange rear body, often seen darting over Caribbean rubble reefs.
reefRedeye Bass
A small, stream-dwelling black bass named for its bright red eyes, native to rocky, fast-flowing rivers of the southeastern Appalachian foothills.
freshwaterStriped 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.
brackishBlack Crappie
A silvery panfish mottled with irregular dark speckling, closely related to the White Crappie but preferring clearer water, and one of the most popular schooling panfish in North America.
freshwaterBlack Rockfish
A dark, deep-bodied schooling rockfish common over rocky reefs and kelp forests along the Pacific coast, often seen in large surface-oriented aggregations.
saltwaterBlack Hagfish
The black hagfish is a jawless, deep-sea scavenger found on the muddy continental slope off the Pacific coast of North America, notable for its uniformly dark coloration.
deepseaBlack Swallower
A small deep-sea fish renowned for an extraordinarily distensible stomach that lets it engulf prey several times its own body length and mass in a single strike.
deepseaWhite Perch
A silvery, deep-bodied temperate bass rather than a true perch, common in brackish estuaries and coastal rivers of eastern North America.
brackishRedfish
A coppery-bronze estuarine predator famous for the large black eyespot near its tail, the Redfish is a mainstay of shallow coastal flats along the Gulf and southeastern Atlantic coasts.
brackishAnglerfish
A bizarre deep-sea predator that lures prey with a bioluminescent lure atop its head, adapted to life in total darkness at crushing ocean depths.
deepseaPacific Blackdragon
An eel-like deep-sea dragonfish whose females are entirely jet-black with a long chin barbel, while the tiny, non-feeding males look almost nothing like them.
deepseaGreenland Halibut
A cold-water, deep-sea North Atlantic and Arctic flatfish with a dark body on both sides, a large toothy mouth, and a less flattened posture than typical flounders.
deepseaAtlantic Salmon
An iconic anadromous fish of the North Atlantic, born in cold rivers, maturing at sea, and returning to natal streams to spawn.
freshwaterDeep-sea Smelt
A small, silvery-bodied deep-sea fish that drifts through the dark midwater zone feeding on tiny plankton, forming a key link in deep ocean food webs.
deepseaLined Seahorse
A medium-sized seahorse of the western Atlantic coast, variably colored from black to bright orange, often marked with fine pale lines on the neck and named for these subtle streaks.
saltwaterCinnamon Clownfish
A deep reddish-orange clownfish with dark shading across the body and a single white head bar, living among sea anemones on coral reefs of the western Pacific.
reefBlackwing Flyingfish
A stocky, wide-ranging flyingfish named for its large dusky-black pectoral wings, found gliding above open ocean surface waters across much of the world's warm and temperate seas.
pelagicSpotted Seatrout
A slender estuarine predator of the southeastern United States, recognized by the bold black spots scattered across its silvery back and dorsal fin.
brackishYellow Seahorse
A widespread and highly variable Indo-Pacific seahorse, commonly seen in bright yellow though also occurring in black, orange, or mottled brown, found from mangrove estuaries to coral reefs.
reef