The halfbarred goby (Amblygobius semicinctus) is a species of goby from Gobiidae family.
Short description - 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.
Halfbarred goby's Behavior & Ecology
Inhabits protected, silty lagoons and estuaries. Occurs in pairs, over its burrow beneath rock or rubble; usually hovers a short distance above the bottom.
Halfbarred goby's Reproduction
Monogamous mating is observed as both obigate and social.
Halfbarred goby habitat
This species occurs on sand-rubble bottoms of reef flats and other sheltered areas at depths of 1-20 m (Allen and Erdmann 2012). It attains a maximum size of 11 cm total length (Allen and Erdmann 2012).