Obliquogobius cirrifer Shibukawa & Aonuma, 2007

Family:  Gobiidae (Gobies), subfamily: Gobiinae
Max. size:  2.88 cm SL (male/unsexed); 2.38 cm SL (female)
Environment:  demersal; marine; depth range - 404 m
Distribution:  Northwest Pacific: Ryukyu Is., Japan.
Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-8; Anal spines: 1-1; Anal soft rays: 9-9; Vertebrae: 26-26. This species differs from its congeners in having the following set of characters: segmented dorsal- and anal-fin rays, 8 and 9, respectively; elongated body, its depth 13.5-15.5% of SL; males with greatly prolonged (extending beyond posterior end of base of second dorsal fin when appressed) and filamentous first dorsal-fin spine; anteroventral and/or distal parts of first dorsal fin may have small black spot(s) (smaller than pupil); small 3-6 black spots on second dorsal fin; dorsal margin of caudal fin with some narrow black markings, in addition to the blackened posterior margin (Ref. 75138).
Biology:  Collected from fine-sandy bottom (Ref. 75138).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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