This species prefers deep and fast-flowing water and cohabits with other Stiphodon species. The new species was found together with three other sicydiine species, including S. atropurpureus, S. percnopterygionus, and Sicyopterus longifilis; other common species are A. ocellaris and an unidentified species of Rhinogobius .
Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 10 - 11. This species of the S. elegans group, is distinguished by the following: larger body size (maximum size > 4 cm (vs. the S. sapphirinus group) and pectoral-fin rays 15 (vs. 13-14); differs from other species of the S. elegans group by having wider interorbital width, males with occipital region almost naked, 7-8 oval bands or a black longitudinal band on lower body, with dorsal, anal, and caudal fins brown with white spots in males, a short red or orange line on posterior upper edge of caudal fin, pectoral fins with 3-8 rows of black and white spots in males and with one to two rows in females .Cross section: oval.
Behavioural data for Green hummingbird goby is currently being reviewed.
Diet information for Green hummingbird goby is currently being compiled.
Reproduction data for Green hummingbird goby is currently being compiled.
Marine; freshwater; brackish; demersal; amphidromous. Tropical
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