Chordates •

Round Island keel-scaled boa

(Casarea dussumieri)


The Round Island boa (Casarea dussumieri),also known as the Round Island keel-scaled boa and the Round Island ground boa,is a species of nonvenomous snake in the family Bolyeriidae,in the monotypic genus Casarea It is endemic to Round Island,Mauritius.No subspecies are currently recognized.Adults of Casarea dussumieri are slender and reach a maximum total length (including tail) of 150 cm (5 ft).The males have slimmer,more pointed heads and have shorter bodies than the females.The body is covered in small keeled scales that give the species one of its common names.The genus is unique among extant vertebrates as it has a split jaw (intramaxilliary joint that separates anteria and posteria bones),an adaptation that may be advantageous in catching its main prey of geckos and skinks.

Taxonomic tree:

Kingdom: Animalia
Class: Reptilia
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