| 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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