Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Subfamily: Crotalinae
Genus: Sistrurus
Species: Sistrurus ravus brunneus
Sistrurus ravus is a venomous pitviper species, found only in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.
Adults of this species usually grow to a length of 40-65 cm, but may reach more than 70 cm. They are moderately stout in build.
The distinguishing characteristics for this rattlesnake include parietal scales that are highly variable in shape, less than 3 prefoveals, 21 mid-body dorsal scales, 2-4 tail bands and a relatively large rattle.
Other Names: Mexican pygmy rattlesnake, víbora-cascabel pigmea-mexicana, colcóatl, cascabel enana, víbora de cascabel, and viborita de cascabel.
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Endless Ocean
General FictionA deeper look into underwater life. The photos . Animal facts are non-fiction. Character surprises are fictional. Enjoy!
