views updated May 14 2018

siren Aquatic, tailed amphibian of North America. The adult is neotenic (reaches sexual maturity while retaining the larval physical form). These eel-like animals have external gills, tiny forelegs, and minute eyes. They have no hind legs. Length: to 92cm (36in). Family Sirenidae. See also salamander


views updated Jun 27 2018

sirens See SIRENIDAE.