Glaucostegus spinosus (Günther, 1870)
Spiny guitarfish

Family:  Glaucostegidae (Giant guitarfishes)
Max. size:  34 cm (male/unsexed)
Environment:  demersal; marine
Distribution:  Eastern Central Pacific: Bahía de La Paz, southern Baja California, Mexico. Possibly young of some other species (Ref. 35766).
Diagnosis:  Snout white. Mouth nearly straight. Rostral ridges confluent, very narrow, with a small and short groove at base and with spines. Entire upper surface rough (Ref. 6902).
Biology:  Ovoviviparous (Ref. 50449). Size is based on original stuffed specimen, now in British Museum (Ref. 6902).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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