Trimma volcana Winterbottom, 2003
Volcano pygmygoby
photo by Winterbottom, R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.93 cm SL (male/unsexed); 1.71 cm SL (female)
Environment:  demersal; marine; depth range 0 - 24 m
Distribution:  Western Indian Ocean: Tanzania, Mozambique and the Comores Islands.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-11; Anal spines: 9-11. Diagnosis: Characterized by having large spots on the head and body; moderate to well-developed interorbital and postorbital trenches; scales on the pectoral and pelvic fin bases, except on cheeks, opercles, or midline of the nape; a posterior nostril which is adnate to the eye; a fifth pelvic fin ray that is 80-9% of the fourth and is branched dichotomously twice (Ref. 57687).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2017 Ref. (130435)
Threat to humans:  harmless


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