| Family: |
Gasterosteidae (Sticklebacks and tubesnouts) |
| Max. size: |
6.5 cm SL (male/unsexed); 9 cm SL (female) |
| Environment: |
benthopelagic; freshwater; brackish; marine |
| Distribution: |
Asia: Korean Peninsula, Japan, Kuril islands, Amur basin and Kamchatka Peninsula. |
| Diagnosis: |
Dorsal spines (total): 7-11; Dorsal soft rays (total): 8-13; Anal spines: 1-1; Anal soft rays: 7-11 |
| Biology: |
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). |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 09 March 2020 (A2c) Ref. (130435)
|
| Threat to humans: |
harmless |
Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.
