Ctenogobiops tangaroai Lubbock & Polunin, 1977
Tangaroa shrimpgoby
photo by Randall, J.E.

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  6 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 4 - 40 m
Distribution:  Pacific Ocean.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 10-11. Characterized by having semi-translucent whitish body; orange spots interspersed with small white or bluish spots on body; dorsal fin brownish "pennant"; basal part of pectoral fin with white marking forming long, diffuse narrow white streak; greatly prolonged first and second dorsal spines; longitudinal scale series 47-51; opening of gill extending forward to vertical at posterior edge of eye; greatest depth of body 4.3-5.2 in SL; rounded caudal fin, except straight in central part, about equal to head length (Ref. 90102).
Biology:  Occurs in patches of fine sand on seaward reefs and uses alpheid shrimp burrows for refuge. Found in clear coastal and inner reefs on rubble flats and slopes in 6-20 meters depth range (Ref. 48637).
IUCN Red List Status: Least Concern (LC); Date assessed: 27 August 2020 Ref. (130435)
Threat to humans:  harmless


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