Glaucostegus cemiculus (Geoffroy St. Hilaire 1817) —Blackchin guitarfish

Taxonomy. First record from Lebanon as Rhinobatos cemiculus Geoffroy St. Hilaire 1827 by George et al. (1964: 10); subsequently recorded as Rhinobatos cemiculus Geoffroy St Hil. by Mouneimné (1977: 60); as Rhinobatos cemiculus Geoffroy Saint-Hilaire 1817 by Mouneimné (2002: 56); recently recorded as Rhinobatos cemiculus by Lteif (2015: 61). Recent unpublished records from Beirut, Tripoli, Batroun, Saida, Sarafand and Tyre (1998–2019). Material in collection: AUBM, BMNH and USNM (as Rhinobatos cemiculus).

Distribution. Mediterranean Sea, eastern Atlantic: Portugal south to Angola, including Cape Verde Islands.

Conservation. IUCN: Global (CR: A2d, 3 December 2018); Med. (NE). Capture and threats: FIT, FIB, unknown. Occurrence: Common. Significant decline in the last two decades. High priority for conservation action. The capture, transportation, storage or commercialization of this species is forbidden in Lebanon .