Tropidophis bucculentusTropidophis bucculentus, also known commonly as the Navassa Island dwarf boa, is a nonvenomous dwarf boa species endemic to Navassa Island in the Caribbean Sea. There are no subspecies that are recognized as being valid.Geographic rangeThe type locality given for T. bucculentus is "Navassa Id."DescriptionPreserved museum specimens of T. bucculentus indicate that it varied in snout-to-vent length from.ReproductionT. bucculentus is an ovoviviparous species.Conservation statusT. bucculentus is possibly extinct. The species became a casualty of human interference and feral predators, such as rats, cats, dogs, and goats that were introduced during the large-scale mining period on this small island during the 1800s.