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.
Antarctic Cod
Antarctic cod is a bottom-dwelling notothenioid fish of the Southern Ocean, adapted to near-freezing water and recognized by its mottled brown, camouflaged body and broad head.
saltwater
Dwarf Pufferfish
The Dwarf Pufferfish is one of the world's smallest puffers, a freshwater species from southern India prized for its tiny size and expressive, alert behavior.
freshwaterJack Mackerel
A slender, schooling temperate-water jack found off southern Australia and New Zealand, identifiable by its bony lateral scutes and vital role as forage for larger ocean predators.
pelagic
Redear Sunfish
A deep-bodied sunfish named for the bright red-orange margin on its black ear flap, notable for its specialized diet of snails and other mollusks in warm southern lakes and ponds.
freshwater
Longtooth Grouper
A large brownish grouper found from southern Japan to the South China Sea, mottled with faint darker blotches and named for its prominent elongated canine teeth.
reef
Chinese Catfish
A hardy, air-breathing catfish native to southern China and neighboring regions, well adapted to shallow, oxygen-poor waters like rice paddies and slow streams.
freshwater
Australian Rainbowfish
A widespread, variably colored rainbowfish found across tropical Australian and southern New Guinea waterways, ranging from olive-silver to vivid blue and yellow forms.
freshwaterPouched Lamprey
The pouched lamprey is a jawless, eel-shaped fish named for the fleshy throat pouch that develops in breeding males, migrating from the open ocean into Southern Hemisphere rivers to spawn.
brackishAustralian Lamprey
The Australian lamprey is a primitive, eel-like jawless fish that spends part of its life as a marine parasite before migrating into coastal rivers of southern Australia and New Zealand to spawn.
brackish
Masu Salmon
Masu salmon is the southernmost and westernmost Pacific salmon species, native to Japan, Korea, and the Russian Far East, notable for males that can mature and spawn entirely within freshwater.
freshwater