Dace return to river for spawning migration

A dace swims upstream in Namdae Stream in Gangneung, a coastal town in Gangwon Province, northeastern South Korea, on June 12, 2023. The river fish, called "hwangeo" in Korean, live most of their lives in the sea after being born in a river and return to the river to lay eggs in spring. (Yonhap)

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[ⓒ K-VIBE. 무단전재-재배포 금지]