Rhinobatos irvinei Norman, 1931
Spineback guitarfish

Family:  Rhinobatidae (Guitarfishes)
Max. size:  100 cm TL (male/unsexed)
Environment:  demersal; marine; depth range - 30 m
Distribution:  Eastern Atlantic: Morocco to southern Angola, a record from Namibia needs confirmation.
Diagnosis:   
Biology:  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).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 04 August 2020 (A2d) Ref. (130435)
Threat to humans:  harmless


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