Researchers have revealed that when captive-bred juvenile red-spotted masu salmon are released into natural streams, very few individuals become migrants. This was an important species in the rivers of west Japan for the fishing industry, however in recent years their numbers are declining rapidly. The results of this research offer important suggestions for stocking practices and the management of river environments.
from Latest Science News -- ScienceDaily https://ift.tt/3ruAx2X
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