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Dwarf sirens are eel-like salamanders of the genus ''Pseudobranchus''. Dwarf sirens possess external gills throughout adulthood and lack hind legs. Dwarf sirens can be distinguished from members of the genus ''Siren'' in that dwarf sirens have three toes on each foot rather than four. Like sirens, dwarf sirens are restricted to the Southeastern United States. ==Species== The genus ''Pseudobranchus'' consists of the following species: *Southern dwarf siren (''P. axanthus'') * *Narrow-striped dwarf siren (''P. a. axanthus'') * *Everglades dwarf siren (''P. a. belli'') *Northern dwarf siren (''P. striatus'') * *Broad-striped dwarf siren (''P. s. striatus'') * *Gulf Hammock dwarf siren (''P. s. lustricolus'') * *Slender dwarf siren (''P. s. spheniscus'') 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「dwarf siren」の詳細全文を読む スポンサード リンク
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