Author: Norman, 1931
FBname: Spineback guitarfish
Comments: More or less stationary in inshore coastal waters to moderate depth. Feeds on benthic invertebrates, mainly crustaceans.  Common length is  60-66 cm TL. Males mature at ca. 42 cm TL (Ref. 114953). Ovoviviparous. Produces small litters of 1-3 pups (Ref. 114953).