Trimma nubarum Winterbottom, Bogorodsky & Alpermann, 2023
Rift pygmygoby

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.96 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 16 - 29 m
Distribution:  Western Indian Ocean: endemic Red Sea, Gulf of Aqaba.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-9. This species is distinguished by the following characters: with scales in the predorsal midline; fifth pelvic-fin ray with one dichotomous branch point (total of two branch tips); the middle 1-9 pectoral-fin rays are branched; a bony interorbital of >80% pupil width; caudal fin not forked, with longest ray in the dorsal half of the caudal fin longer than the equivalent ray in the ventral half; upper-cheek papillae in two horizontal lines (a and c); D 9; A 8-9; pectoral fin rays 13; cycloid scales covering the entire predorsal region anterior to a convex line from the upper base of the pectoral fin to just lateral to the base of the sixth first dorsal-fin spine (Ref. 129378).
Biology:  This species was observed hovering in aggregations up to 15 individuals near the roof of caves and moving to shelter in the cave roof when approached by divers (Ref. 129378).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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 Not for publication.