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.
Moonlight Gourami
A sleek, silvery-green Mekong basin gourami with an iridescent sheen and vivid orange-red pelvic fin filaments, notably lacking the dark body spots seen in many related species.
freshwater
Tropical Two-wing Flyingfish
A stocky, oceanic flyingfish found in warm seas worldwide, using only its large pectoral fins as wings to glide over the waves while its short pelvic fins remain small.
pelagic
Round Goby
A bottom-dwelling goby native to the Black and Caspian Sea basins, now a widespread invasive species in the Great Lakes and parts of Europe, recognized by its fused pelvic fins and dark spot on the front dorsal fin.
freshwater
Red Hake
Red hake is a slender, tapering groundfish of the western North Atlantic shelf, identified by its reddish-brown color, two dorsal fins, and long thread-like pelvic fin filaments.
saltwater
Common Lumpsucker
Shaped like a rounded ball with a sucker disc instead of pelvic fins, the Common Lumpsucker drifts through cold North Atlantic waters before moving inshore to spawn on rocky shores.
saltwater
Knight Goby
A small, boldly patterned goby from Southeast Asian estuaries, pale gray-white with scattered black spots and blotches along its slender body. It perches on the bottom, propped on its fused pelvic fins, watching for small prey.
brackish
Widow Rockfish
A bronze-brown, large-eyed rockfish that forms dense midwater schools over the outer continental shelf and was once the target of one of the Pacific coast's largest groundfish fisheries.
saltwaterWhipnose Anglerfish
A deep-sea anglerfish with an extraordinarily long, whip-like fishing rod, often exceeding its own body length, tipped with a luminous lure trailed out in the darkness to draw in curious prey.
deepsea