Acentrogobius audax Smith, 1959
Mangrove goby
Acentrogobius audax
photo by Murdy, E.O./Ferraris, C.J., Jr.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  10 cm SL (male/unsexed)
Environment:  demersal; brackish; marine
Distribution:  Western Indian Ocean: Ibo, Mozambique and Natal, South Africa. Northwest Pacific: Japan.
Diagnosis:  Dorsal spines (total): 5-5; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 9-9. Dark bar on caudal peduncle and on caudal base (Ref. 2798).
Biology:  Inhabits shallow estuaries with freshwater run-off or lower reaches of rivers on mud banks. Small groups were observed sitting on the bottom as tides were coming in, quickly diving into the mud when approached (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 30 June 2016 Ref. (130435)
Threat to humans:  harmless


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