this post was submitted on 28 Jun 2025
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Oh to be a gay fish (sopuli.xyz)
submitted 3 days ago by crmsnbleyd@sopuli.xyz to c/microblogmemes@lemmy.world
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URL: https://hachyderm.io/@skinnylatte/114758456388665009

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[–] ryedaft@sh.itjust.works 14 points 3 days ago (1 children)

I don't think salmon change sex to be honest. It seems from the stuff I could find that sex determination for salmon is mostly chromosomal but with divergence at certain temperature during development (or exogenous hormonal influence obviously).

The coolest paper I found while searching was this:

Natural sex change in fish - ScienceDirect - https://www.sciencedirect.com/science/article/abs/pii/S0070215318301145

[–] Jrockwar@feddit.uk 4 points 2 days ago (1 children)

Apparently they do, or at the very least some types of salmon: https://www.sciencenews.org/article/salmon-puzzle-why-did-males-turn-female

[–] ryedaft@sh.itjust.works 1 points 2 days ago

No, this is just saying that they have the chromosomes that usually produce male salmon but they have female salmon genitalia. I read that one. Unless I misread they haven't seen these salmon be male and then later female (like the clown fish do).