Oxyeleotris heterodon (Weber, 1907)
Sentani gudgeon
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Family:  Butidae (Marine gudgeons), subfamily: Butinae
Max. size:  41 cm SL (male/unsexed); 39.6 cm SL (female); max.weight: 1,830.0 g; max.weight: 1,860.0 g
Environment:  demersal; depth range - 5 m
Distribution:  Oceania: known only from the Sepik and Ramu river system in Papua New Guinea. Asia: Lake Sentani in Irian Jaya, Indonesia (western New Guinea).
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 1-1; Anal soft rays: 8-8
Biology:  Commonly found throughout the lower altitudes of the Sepik River basin, preferring still waters of floodplain lakes, swamps and inundated floodplain. Rarely found in the main river channel. Feeds mainly on the eleotrid fish Ophieleotris aporos and large crustaceans such as Macrobrachium prawns. Also caught using pots, handlines harpoons, hand nets, scoop nets, and others. Female reaches 39.6 cm SL (Ref. 9162).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Coates, David - 04.05.95
Modified by: Valdestamon, Roxanne Rei - 05.06.15
Checked by: Torres, Armi G. - 06.03.97

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