Acentrogobius nebulosus (Forsskål, 1775)
Shadow goby
Acentrogobius nebulosus
photo by Ryanskiy, A.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  18 cm SL (male/unsexed)
Environment:  reef-associated; depth range 0 - 15 m, amphidromous
Distribution:  Indo-West Pacific: East Africa through Indonesia to Micronesia, north to China and the Ryukyu Islands (Ref. 559), south to northern Australia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 9-9. Margins of median fins black (Ref. 2798); characterized by pale grey body color with three large dark brown blotches on side; head and body with faint brown scribbling; elongate and filamentous second and third dorsal spines; rounded caudal fin, slightly shorter than head; longitudinal scale series 29-30; head without scales; ctenoid body scales except cycloid on breast, base of pectoral fin and anterior part of abdomen; midline of nape without scales or 1-2 scales just before origin of dorsal fin; depth of body 3.2-3.4 in SL (Ref. 90102).
Biology:  Solitary (Ref. 90102). Found over silty (Ref. 58652) and muddy bottoms around inner reefs. Common in mangroves and enter estuaries and rivers (Ref. 4343). Toxin concentrated in the skin. Contains 28.7 µg/g tetrodotoxin in the internal organs while the flesh holds 1.7 µg/g (Ref. 5719).
IUCN Red List Status: Least Concern (LC) Ref. (119314)
Threat to humans:  poisonous to eat
Country info:   
 

Entered by: Capuli, Estelita Emily - 29.01.93
Modified by: Casal, Christine Marie V. - 05.04.18
Checked by: Sa-a, Pascualita - 11.07.94

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