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salmon (mander.xyz)
submitted 6 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] SoleInvictus@lemmy.blahaj.zone 23 points 6 months ago* (last edited 6 months ago)

Oh no, they change that much and sometimes even more. The hump is a sexual selection trait - the bigger the hump, the more likely it is that a male will get to mate. This favors genotypes that lead to a big ol' hump. While not all pink salmon get a hump that large, the Barry Whites of the humpy salmon world have a great big shoulder boulder that makes the lady fish swoon.

Here's one of those fishy freaks: https://www.landbigfish.com/articles/default.cfm?ID=352

[-] IrritableOcelot@beehaw.org 5 points 6 months ago

Ahhhh it's a humpy, I stand corrected. Not familiar with them. That's absolutely wild!

[-] SoleInvictus@lemmy.blahaj.zone 6 points 6 months ago

They're so weird! Imagine going through your life sleek and swift, just to turn into Quasimodo once you hit puberty. Then you die.

this post was submitted on 25 Apr 2024
588 points (97.9% liked)

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