Campbel'S Goby

Upper pectoral fin rays entire. Predorsal cycloid scales 10-13; ctenoid on trunk. Body dusky brown with red spots; 4 blue spots on operculum; black line running from eye along sensory pore path to pectoral base; 2 dusky blotches on pectoral base, the uppermost spreading onto fin rays; large inverted `U'-shaped blotch on the cheek. In male, appressed anal fin occasionally reaching caudal fin, appressed dorsal reaching or overlapping caudal fin. Appressed anal and dorsal fins of female ending 2-3 and 1-2 scales, respectively, of caudal fin.

Genital papilla of male terminating to side of anal spine, of female terminating well before origin of anal fin and sometimes it is slightly pigmented.

Dorsal spines (total): 7; Dorsal soft rays (total): 10 - 11; Analspines: 1; Analsoft rays: 9 - 10; Vertebrae: 26

Common in sandy bottoms of shallow waters. Also observed to live solitarily or in small schools near crevices or under stones. Occurs at 21.5 °C (Ref. 4959).