Trimma xanthochrum Winterbottom, 2011
Step-spot pygmygoby
photo by Allen, G.R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  2.51 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 12 - 70 m
Distribution:  Western Pacific Ocean: Indonesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 7-8; Anal spines: 1-1; Anal soft rays: 8-8. This species is characterized by the following: a wide interorbital region (80-100% pupil diameter); the second dorsal spine usually reaching posteriorly to between the bases of the second to third dorsal fin rays; pectoral rays 15-16, usually with 7-8 branched rays; vertical rows of sensory papillae below eye of 2-3 papillae in rows 1-4 and 4-5 in row 5; caudal blotch which has a lower half about two-thirds the width of the upper half; usually an overall yellowish body with yellow at least proximally in the caudal fin (Ref. 87358).
Biology:  Inhabits current-prone reefs in 12-70 m (Ref. 90102).
IUCN Red List Status: Data deficient (DD); Date assessed: 07 September 2021 Ref. (130435)
Threat to humans:  harmless


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