Trimma finistrinum Winterbottom, 2017
Porthole pygmygoby
photo by Randall, J.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  2.53 cm SL (male/unsexed); 2.1 cm SL (female)
Environment:  reef-associated; marine; depth range 11 - 20 m
Distribution:  Western Central Pacific: Fiji.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 8-8. This species is distinguished by the following characters: bony interorbital 100% pupil diameter; fully scaled midline of nape of 12-14 scales; the second dorsal spine may reach posteriorly to middle of second dorsal fin; papillae in longitudinal row immediately below eye either single or with two papillae in vertical row (but not in vertical rows of 3-5 papillae at each position); pectoral-fin rays unbranched; usually a branched fifth pelvic-fin ray that is about half length of the fourth ray; a large diffuse dark blotch on the posterior caudal peduncle; colour pattern of a brownish body with most body scales having golden- to greenish-yellow (pale in preservative) centres is unique among species of Trimma (Ref. 115117).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 07 September 2021 Ref. (130435)
Threat to humans:  harmless


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