Science Memes

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salmon (mander.xyz)

submitted 6 months ago by [email protected] to c/[email protected]

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[–] [email protected] 23 points 6 months ago* (last edited 6 months ago) (1 children)

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

[–] [email protected] 5 points 6 months ago (1 children)

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

[–] [email protected] 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.