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.
Atlantic Bonito
A streamlined, fast-swimming relative of tuna and mackerel, marked by dark oblique stripes running across its steel-blue back.
pelagic
Arctic Cod
Arctic cod, or polar cod, is a small, ice-associated Gadidae found throughout the circumpolar Arctic, recognized by its slender body, deeply forked tail, and role as the region's key forage fish.
pelagic
African Pompano
A deep-bodied jack whose juveniles trail extraordinarily long fin filaments while drifting near floating debris, maturing into steep-headed adults over deep reefs and wrecks.
pelagic
Atlantic Bluefin Tuna
A massive, torpedo-shaped, deep blue-backed tuna built for speed and long-distance migration across the Atlantic Ocean and Mediterranean Sea.
pelagic
Atlantic Menhaden
A deep-bodied, oily, silvery schooling fish found in vast numbers along the U.S. Atlantic coast, notable for a large dark shoulder spot and its outsized ecological role as a filter-feeding forage species.
pelagic
Atlantic Mackerel
A fast-swimming schooling fish with iridescent blue-green wavy stripes across its back, found in cold and temperate waters on both sides of the North Atlantic.
pelagic
Balao
A slender, silvery halfbeak with a needle-like lower jaw that schools near the surface of warm Atlantic waters.
pelagic
Albacore
A sleek open-ocean tuna easily recognized by its exceptionally long pectoral fins, ranging widely across temperate seas worldwide.
pelagic