this post was submitted on 05 Jun 2026
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Science Memes

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[–] SkaveRat@discuss.tchncs.de 86 points 3 weeks ago (3 children)

I'm more confused about the fact that the salmon go in backwards

[–] Janx@piefed.social 49 points 3 weeks ago (2 children)

Once inside, they instinctively swim against the strong current of water rushing downward. That means they end up moving backward down the spiral, eventually getting pushed out the bottom of the helix into the river.

This method has lead to better survival rates than when the fish were spilled over the top of the dam.

[–] 0x0@infosec.pub 13 points 3 weeks ago (1 children)
[–] Janx@piefed.social 6 points 3 weeks ago

Fishy want get stronk.

[–] fleem@piefed.zeromedia.vip 7 points 3 weeks ago

wow this is awesome!

[–] Grail@multiverse.soulism.net 11 points 3 weeks ago (1 children)

Salmon like to go downstream backwards

[–] recursivethinking@lemmy.world 3 points 3 weeks ago

Its actually walking and gacing up a downward moving escalator at a slower speed than the escalator.