Istigobius campbelli (Jordan & Snyder, 1901)
Istigobius campbelli
photo by Cornish, A.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  7.1 cm TL (male/unsexed); 7.8 cm TL (female)
Environment:  demersal; marine; depth range 3 - 14 m
Distribution:  Northwest Pacific: southern Japan, Taiwan, and Hong Kong.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 9-10; Vertebrae: 26-26. 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.
Biology:  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).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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