RegionFreshwater

North America

Temperate rivers and lakes of the United States and Canada — sunfish, killifish, darters, and native catfish.

42 species

Other regions in The Americas

Lepisosteus oculatus

A living fossil built for ambush, not the average home aquarium.

Herichthys tamasopoensis

A rare Mexican cichlid from crystal-clear limestone rivers, built for hard water.

Zoogoneticus tequila

A fish kept in aquariums that may no longer exist anywhere in the wild.

Herichthys cyanoguttatus

The only cichlid native to the United States, and it has the attitude to prove it.

Xiphophorus variatus

Dozens of color forms, endless fry, and tolerant enough for any community tank.

Cryptocoryne wendtii

A tough, slow-growing rosette plant that thrives even when neglected.