Dwarf siren

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Dwarf Siren
P striatus USGS.jpg
Pseudobranchus striatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Subclass: Lissamphibia
Order: Caudata
Suborder: Sirenoidea
Family: Sirenidae
Genus: Pseudobranchus
Gray, 1825

See text.

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.


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)

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