types of constrictor snakes
and Sub-species:-. 1  Boa. 2  Boa constrictor, Boa constrictor. 3  Boa constrictor amarali, Amaralâs boa. 4  Boa constrictor constrictor, Red-tailed boa. 5  Boa constrictor imperator, Common northern boa. 6  Boa constrictor longicauda, Tumbes Peru boa. 7  Boa constrictor melanogaster, Ecuadorian boa.