Tomiyamichthys russus (Cantor, 1849)
Ocellated shrimpgoby
Tomiyamichthys russus
photo by Allen, G.R.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  12 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 1 - 5 m
Distribution:  Western Pacific: South China Sea.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 10-10; Anal spines: 1-1; Anal soft rays: 10-10. Characterized by greyish body color with dark brown bar below eye; gill cover with vertically elongate brown patch, dark brown spot just above; four large, rectangular blackish spots along middle of side to base of caudal fin; irregular brown spotting on back; spot near margin of first dorsal fin, large pale-edged black spot; united pelvic fins, frenum present; longitudinal scale series 77-97; posterior body with ctenoid scales, becoming cycloid anteriorly; head without scales; greatest depth of body5.1-6.1 in SL; lanceolate caudal fin, a little longer that head length; presence of oculoscapular sensory canal and pores (Ref. 90102).
Biology:  Inhabits silty near shore reefs, often stream mouths in 1-5 m (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 18 August 2023 Ref. (130435)
Threat to humans:  harmless


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