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Northern dwarf siren
The northern dwarf siren, ''Pseudobranchus striatus'', is a perennibranch salamander lacking hind legs. Found in the Southeastern United States, it one of two currently recognized species of dwarf sirens. Three subspecies are currently recognized; ''P. s. striatus'', the broad-striped dwarf siren, ''P. s. lustricolus'', the Gulf Hammock dwarf siren, and ''P. s. spheniscus'', the slender dwarf siren.
== Description ==
The northern dwarf siren is the smallest siren known, at only . Like other members of the Sirenidae, the northern dwarf siren is aquatic and gilled throughout its life. Being slender and almost eel-like, it is noticeable because of the light stripes on its side compared to the brown or light-grey dorsum. The siren has only one gill slit, a finned tail (tip compressed), costal grooves, and three toes on each of the two front feet. They are very secretive and dwell among water hyacinth roots and amid debris at pond bottoms. They feed on tiny invertebrates, and during droughts, encase themselves in mud beneath the pond bottom. When handled or caught, they make faint yelping noises.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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