| Gasterosteidae (Sticklebacks and tubesnouts) |
| 6.5 cm SL (male/unsexed); 9 cm SL (female) |
|
benthopelagic; freshwater; brackish; marine |
| Asia: Korean Peninsula, Japan, Kuril islands, Amur basin and Kamchatka Peninsula. |
|
Dorsal spines (total): 7-11; Dorsal soft rays (total): 8-13; Anal spines: 1-1; Anal soft rays: 7-11 |
| Length in freshwater is recorded at 6.5 cm TL; in the sea, it is recorded at 8.5-9.0 cm TL (Ref. 2058). Males build, guard and aerate the nest where the eggs are deposited (Ref. 205). |
|
Vulnerable (VU); Date assessed: 09 March 2020 (A2c) Ref. (130435)
|
| harmless |
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