Large sandgoby (Fusigobius maximus) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 7.5 cm. It occurs at depths between 3 and 21 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8. Characterized by semi-translucent body with dusky orange-yellow spots on head, body, dorsal and caudal fins; first membrane of dorsal fin with vertically elongate black spot; black spot at midbase of caudal fin; fully united pelvic fins; presence of pelvic frenum; rounded caudal fin; longitudinal scale series 26-27; ctenoid scales except cycloid on breast, base of pectoral fin and anteroventrally on abdomen; absence of scales on operculum; median predorsal scales absent, but scales on side of nape extending to above rear edge of preopercle; opening of gill extending to within one-fifth opercle width from posterior edge of preopercle; depth of body 4.7-5.5 in SL .: elongated.
Behavioural data for Large sandgoby is currently being reviewed.
Marine; demersal; depth range 3 - 21 m . Tropical West Pacific: Red Sea, Sri Lanka, Indonesia, Philippines and the Coral Sea.
The following diseases are known to affect Large sandgoby.
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