Better Marine Conservation By Using Water Tanks To Send Fish To School

Raising fish in tanks  doesn't help them all that much when they are released into the wild - but there may be an easy fix: put in hiding places and obstacles. It makes fish smarter and improves their chances of survival in nature, according to a new paper. Why does that matter? Because conservation fish hatcheries raise cod, salmon, trout and other types of fish and release them in places where their species may be threatened, or where their populations are declining.   read more

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