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These fish have the same behaviour as salmon. They will swim upstream to spawn.
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(21-08-2022, 09:30 AM)kangtangman Wrote: These fish have the same behaviour as salmon. They will swim upstream to spawn.
On the upstream all man-made steps have R&R no rushing so that 100% of the fish can swim out to the open sea. Designers have thinking brainer.
![](https://i.imgur.com/CLvY2jA.png")
