Adults inhabit protected, silty lagoons and estuaries . They occur in pairs, over their burrow beneath rock or rubble; usually hovering a short distance above the bottom. Monogamous . Gut contents of a 6.5 cm SL specimen contains mainly fine, unbranched, filamentous algae and harpacticoid copepods, also polychaetes, tanaids, decapod shrimps, amphipods, and nematodes (may have been parasitic).
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 14 - 15; Anal spines: 1; Anal soft rays: 14 - 15. Characterized by greenish brown body color with complex pattern consisting of longitudinal rows of small white spots; side of body with five narrow brown bars; presence of dark brown band from snout, through eye, to upper back; cheek with white spots and lines; dark-edged red spots dorsally on head; large brown spot above gill opening; basal part of upper caudal fin with large red-brown to blackish spot; 1-2 small black spot on outer part of caudal fin; prolonged third and fourth dorsal spines as short filaments, first dorsal fin taller than second; rounded caudal fin; longitudinal scale series 60-67; ctenoid scales; cycloid scales on nape, abdomen, and breast; predorsal scales 22-25, extending to interorbital space; scales dorsally on opercle, absent on cheek; depth of body 3.5-4.6 in SL .: fusiform / normal; Cross section: compressed.
Behavioural data for Halfbarred goby is currently being reviewed.
Monogamous mating is observed as both obigate and social .
Marine; brackish; reef-associated; non-migratory ; depth range 1 - 20 m . Tropical Indian Ocean.
The following diseases are known to affect Halfbarred goby.
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