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.
Guppy
A small livebearing fish native to northeastern South America, famous for the males' vividly colored, ornately shaped tails and its worldwide popularity in the aquarium hobby.
freshwater
Endler's Livebearer
A tiny, dazzlingly colorful relative of the guppy discovered in a handful of Venezuelan lagoons, the Endler's livebearer is prized by aquarists for its metallic, jewel-toned males.
freshwater