Mugilogobius sarasinorum (Boulenger, 1897)
Sarasin's goby
Mugilogobius sarasinorum
photo by Gundo, M.T.

Family:  Gobiidae (Gobies), subfamily: Gobionellinae
Max. size:  80 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Endemic to Lake Poso, Sulawesi, Indonesia.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 8-9; Vertebrae: 26-26. Males dark brown to greyish brown, females lighter with narrow bars and mottling on body (Ref. 43716). Head somewhat compressed, profile pointed; TRB 13-17; predorsal scales 17-25, small, and extending forward almost to behind eyes; sensory papillae on head occasionally forming multiple rows on cheeks (Ref. 43716). Caudal fin truncate to rounded posteriorly (Ref. 43716).
Biology:  Found only in Lake Poso, on silty sand shallows, on mud and gravel substrate, with some aquatic plants present, and also on banks of steep gravel and large limestone rocks (Ref. 43716). Feeds on small fishes and insect larvae (Ref. 43716).
IUCN Red List Status: Endangered (EN); Date assessed: 29 December 2018 (B1ab(iii,v)+2ab(iii,v)) Ref. (130435)
Threat to humans:  harmless


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