| Family: |
Gobiidae (Gobies), subfamily: Gobiinae |
| Max. size: |
4 cm TL (male/unsexed); 3.39 cm SL (female) |
| Environment: |
benthopelagic; brackish; marine; depth range 0 - 2 m |
| Distribution: |
Northwest Pacific: Japan, Ryukyu Islands. |
| Diagnosis: |
Dorsal spines (total): 6-6; Dorsal soft rays (total): 12-13; Anal soft rays: 13-13; Vertebrae: 26-26. This species is distinguished from its congeners in the following set of characters: D VI,12-13 segmented rays; A 13 segmented rays; pectoral-fin rays 14-15, long pectoral fin, reaching past end of pelvic fins, its length 20-22% SL; caudal-fin with 8+7 segmented rays and long, 21-23% SL; large head 29-30% SL; long snout 12-16% head length; jaws are subequal, posterior end of jaws reaching posteriorly to or beyond vertical at anterior oculoscapular canal pore F?; tip of upper lip without a small anteriorly directed skin projection; reduced longitudinal pattern of sensory papillae rows; rounded caudal fin (Ref. 93255). |
| Biology: |
Inhabits muddy bottoms of estuarine at 0.5-2 m depth; living in burrows dug by invertebrates. During breeding season, males swim vertically above the burrows and display to females (Ref. 93255). |
| IUCN Red List Status: |
Near Threatened (NT); Date assessed: 11 December 2018 (B1b(iii,v)) Ref. (130435)
|
| Threat to humans: |
harmless |
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