Pungitius sinensis (Guichenot, 1869)
Amur stickleback
photo by Kim, I.-S.

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


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