Collected both in small streams and larger rivers, among stones and boulders, with moderate to swift current . Feeds on zooplankton and insect larvae. Occasionally marketed fresh in mixed catches .
Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 7 - 9; Anal spines: 1; Anal soft rays: 6 - 9. Depressed head and body; generally pale coloration with 6-7 faint vertical bars and black dots on cheeks. Sexually dimorphic: males with more depressed head and body, a larger mouth, and darker fins. Male with about 40 rounded blackish brown spots on cheeks, usually larger than half of pupil; body with 7 lateral blackish brown bars and several rows of black or brown spots; second dorsal with usually 1 simple and 8 branched rays; anal fin with usually 1 simple and 7 branched rays .: elongated.
Behavioural data for Rhinogobius Mekongianus is currently being reviewed.
Freshwater; benthopelagic. Tropical
zooplankton and insect larvae
The following diseases are known to affect Rhinogobius Mekongianus.
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