Poecilia picta, the swamp guppy, is a species of livebearer fish found in South America.

It is closely related to the common guppy, P. reticulata, and shares its geographic range but tends to be found in more brackish environments.

[2] P. picta is distributed throughout northeastern South America, including Guyana, Suriname, and Venezuela, and the Caribbean islands, a range it shares with the closely related guppies P. reticulata and P.

[6] Potential predators found in its habitats include Polycentrus schomburgkii, Hoplias malabaricus, Synbranchus marmoratus, Astyanax bimaculatus, and Roeboides dayi, the first two of which frequently prey on fish.

In stark contrast to the closely related P. reticulata and P. parae, P. picta females show no preference for males with pronounced red or orange coloration.