Fish ladders are engineered structures built alongside dams that provide fish with a pathway to swim upstream to their spawning grounds, solving the problem of dams blocking natural migration routes.
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Fish Ladders: The Best Way to Help Fish Swim Over Dams to Their Spawn Point本站添加:
Fish be trying to [ __ ] upstream. And as they navigate back to their spawn point, they hit a wall and they're like, "Damn."
So, we built fish ladders next to the dam.
So, they can hop hop hop and then
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