You can do this by building fish ladders. Fish ladders look like a series of small waterfalls alongside a dam. Salmon swim upstream, and they "jump" from one waterfall to the next, until they ...
Juvenile European eels have been photographed wriggling up a waterfall on the River Ness ... were taken by Ness District Salmon Fishery Board. Ness District Salmon Fishery Board The eels have ...
It created a waterfall which is preventing millions of chinook, steelhead, coho and sockey salmon from swimming upstream to their habitual spawning grounds. Canada is airlifting thousands of ...
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