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Photo Journal: Dogged devotion

Newly released dog salmon fry swim between water plants in the Nishibetsu River in the town of Shibecha, Hokkaido, in this recent photo. The Hokkaido National Fisheries Research Institute's Nijibetsu Field Station, which is located near the source of the river, is releasing about 25 million dog salmon fry into the river from mid-March to the end of May. In some years, the number of water plants decreases rapidly due to Hokkaido deer eating them, but the water plants grew well this year and their vivid green color shines. The fish fry will take about a week to swim down to the Nemuro Strait and will return to their home river after spending three to six years in the sea. (Mainichi)

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