Bunaka gyrinoides (Bleeker, 1853)
Greenback gauvina
Bunaka gyrinoides
photo by Pöllabauer, C.

Family:  Eleotridae (Bully sleepers)
Max. size:  34 cm SL (male/unsexed)
Environment:  demersal; freshwater; brackish; marine; depth range 0 - 5 m, amphidromous
Distribution:  Asia and Oceania: Sri Lanka, Indonesia, Philippines, New Guinea, Admiralty Islands, Micronesia (Pohnpei, Caroline Islands) and Australia. Reported from New Caledonia (Ref. 13246).
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 8-8
Biology:  Found in freshwater, estuaries, inshore and mangrove (Ref. 86252). Adults occur on soft mud bottoms of rainforest creeks to elevations of at least 150 m. (Ref. 2847, 44894). They favor undercut banks for retreat. Probably has a pelagic marine larval stage (Ref. 44894).
IUCN Red List Status: Least Concern (LC); Date assessed: 25 August 2018 Ref. (130435)
Threat to humans:  harmless


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