Trimma winterbottomi Randall & Downing, 1994
Trench-head pygmygoby
Trimma winterbottomi
photo by Field, R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 5 - 21 m
Distribution:  Indian Ocean: Saudi Arabia to western Thailand.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 9-10. Diagnosis: This species has a frontal ridge behind the orbits that slopes steeply into a wide interorbital trench anteromedially, and into postorbital trenches laterally ; posterior nasal opening adnate to eye; no elongate dorsal spines; second dorsal with 10 or more elements; fifth pectoral ray with two sequential branches (occasionally one dichotomous branch); 18 or more pectoral rays; no scales on head; body color orange-red with four white bars on dorsum, and light orange blotches on white colored head and nape; dark triangular group of melanophores above opercle (Ref. 57688). Description: Caudal fin rounded; pelvic fins joined by membrane at the base (Ref. 11441).
Biology:  Inhabits coral reefs and within the reef-rubble slope (Ref. 11441, 57688).
IUCN Red List Status: Least Concern (LC); Date assessed: 20 June 2017 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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