Glaucostegus granulatus (Cuvier, 1829)
Granulated guitarfish
photo by Randall, J.E.

Family:  Glaucostegidae (Giant guitarfishes), subfamily: Rhinobatinae
Max. size:  280 cm SL (male/unsexed)
Environment:  demersal; depth range 0 - 119 m
Distribution:  Indo-West Pacific: Persian Gulf to Thailand and Viet Nam. Possibly occurring in China, Indonesia (Sumatra, Borneo), Philippines, New Guinea, and Bougainville Islands.
Biology:  Ranges from the intertidal to offshore continental shelves down to 119 m (Ref. 9909). A carnivorous fish that feeds on large shellfishes (Ref. 58784). Ovoviviparous (Ref. 50449). Produces 6-10 pups a litter (Ref.114953). Biology little known (Ref. 9909). Utilized where it occurs but details lacking (Ref. 9909).
IUCN Red List Status: Vulnerable (VU); Date assessed: 02 February 2006 (A2bd+3d+4d) Ref. (119314)
Threat to humans:  harmless
Country info:   

Entered by: Froese, Rainer - 27.01.94
Modified by: Abucay, Luisa - 27.07.18
Checked by: Compagno, Leonard J.V. - 05.10.95

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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