the family Colubridae that includes cat-eyed snakes, night snakes, and black-striped snakes. Subfamily Colubrinae Colubrinae is the largest subfamily of colubrids, and includes rat snakes, king snakes, milk snakes, vine snakes and indigo snakes. Family Elapidae Elapidae is a family of venomous snakes found in tropical and subtropical regions around the world, including the Indian Ocean and the Pacific. Two species are found in Trinidad and Tobago. Family Viperidae Viperidae is a family of venomous snakes found all over the world, except for Australia, New Zealand, Ireland, Madagascar, Hawaii and the Arctic Circle. All have relatively long hinged fangs that permit deep penetration and injection of venom. Two species are found in Trinidad and Tobago. See also Environment of Trinidad and Tobago List of birds of Trinidad and Tobago List of butterflies of Trinidad and Tobago Notes References All information is based on Boos (2001) unless otherwise stated. Bibliography External links Medicinal and ethnoveterinary remedies of hunters in Trinidad from BMC Complementary and Alternative Medicine (BioMed Central). Snakes Snakes Trinidad and Tobago .Trinidad and Tobago