Trimma yanagitai Suzuki & Senou, 2007
Brown pygmygoby
Trimma yanagitai
photo by Senou, H.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  3.68 cm SL (male/unsexed); 3.35 cm SL (female)
Environment:  reef-associated; marine; depth range 35 - 56 m
Distribution:  Northwest Pacific: Japan.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 7-8; Vertebrae: 26-26. This species differs from its congeners in having the following characters; its large size (largest 3.68 cm SL); predorsal scales 10-12; second spine of first dorsal fin elongate (not filamentous) or not elongate; pectoral fin branched, middle 6-11 rays; fifth pelvic-fin ray unbranched or branched, 49-57% of fourth ray in length; connecting membrane absent between innermost pelvic-fin rays; presence of a deep interorbital trough, no postorbital trough; pectoral fin rays 18-19; longitudinal scales 24; cheek and opercular scales; ground color of head and body grayish brown dorsally, dull yellow to pale ventrally; body when fresh with seven grayish lavender saddles with broad pale pink margins (Ref. 75857).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 07 September 2021 Ref. (130435)
Threat to humans:  harmless


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