Adults inhabit clear-flowing streams, usually within 5-10 km of the sea. Also found in freshwater but can live in marine waters and are occasionally found in mangroves and estuaries, especially during the wet season .
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 9 - 10. : fusiform / normal.
Behavioural data for Hypseleotris Guentheri is currently being reviewed.
Marine; freshwater; brackish; demersal; pH range: 7.0 - ? ; dH range: 10 - 15; amphidromous ; depth range 0 - 5 m . Tropical; 11°N - 23°S
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