Bryaninops isis Larson, 1985
Isis goby
photo by Larson, H.K.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  1.5 cm SL (male/unsexed)
Environment:  reef-associated; freshwater; brackish; marine; depth range 1 - 15 m, amphidromous
Distribution:  Western Pacific: Ryukyu Islands and the Great Barrier Reef.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 8-9. Characterized by semi-transparent green or pale yellow head and body, lower head and body bright iridescent green; presence of nine reddish to brownish orange internal bars extending dorsally from vertebral column; three indistinct brownish orange bars across peritoneum; 7-8 narrow internal bars ventrally from vertebral column; lower caudal fin base and peduncle sometimes with yellow orange blotch; 2-4 lowermost pectoral rays unbranched and thickened distally; longitudinal scale series 34-51; short and cup-like pelvic fins, fleshy lobes and frenum; opening of gill usually reaching to below rear edge of eye (Ref. 90102).
Biology:  Found on gorgonians, commensal (Ref. 43239). Exclusively associated with Isis hippuris in 1-15 m (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 13 March 2015 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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