Trimma habrum Winterbottom, 2011
Delicate pygmygoby
Trimma habrum
photo by Erdmann, M.V.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.77 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 60 - 70 m
Distribution:  Western Pacific Ocean: Indonesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 8-9. This species is distinguished by the following characters: a bony interorbital width equal to the pupil diameter, predorsal midline with 8-9 scales; unbranched pectoral fin rays 14; an unbranched fifth pelvic fin ray; no basal membrane joining the fifth pelvic fin rays across the midline; usually a single full row of cheek scales; scales on the upper two-thirds of the opercle; when fresh, colouration is diagnostic - a pale translucent dorsum with light yellow blotches and the base of each element of the dorsal fin surrounded by a red spot, a thin red bar along the posterior margins of the hypurals, no dark pigment at all on the hypural region of the peduncle, and a darkly pigmented covering to the dorsal margins of the swim bladder, neural sheath, and the brain (Ref. 87358).
Biology:  Inhabits vertical walls and deep reef in about 60-70 m (Ref. 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 September 2021 Ref. (130435)
Threat to humans:  harmless


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