Chilabothrus gracilis, also known commonly as the Hispaniolan vine boa, is a species of nonvenomous snake in the Boidae family. It is endemic to Hispaniola (split between Haiti and the Dominican Republic). Description Adults may attain a total length of , which includes a tail long. Dorsally it is blackish gray, with small black spots, which are arranged in six series running down the body. Ventrally it is lighter in color. The smooth dorsal scales are arranged in 40 rows. Ventrals 282–289; anal plate entire; subcaudals 100-103 also entire. The body is slender and strongly laterally compressed. Upper labials 11 or 12, the sixth and seventh (or fifth and sixth) entering the eye. Subspecies Two subspecies are recognized: Chilabothrus gracilis gracilis (J.G. Fischer, 1888) Chilabothrus gracilis hapalus Sheplan & Schwartz, 1974 References Further reading Fischer, J.G. 1888. Über eine Kollektion Reptilien und Amphibien von Hayti. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten 5: 23–45. ("Chilabothrus gracilis sp. n.", pp. 35–36 + Plate III., Figures 8a & 8b.) gracilis Reptiles of Haiti Reptiles of the Dominican Republic Endemic fauna of Hispaniola Taxa named by Johann Gustav Fischer Reptiles described in 1888 Snakes of the Caribbean