this post was submitted on 13 Feb 2025
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Science Memes

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submitted 1 week ago by [email protected] to c/[email protected]
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https://pubmed.ncbi.nlm.nih.gov/16221078/

https://www.sciencealert.com/scientists-close-in-on-why-octopuses-tragically-destroy-themselves-after-mating

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[โ€“] [email protected] 14 points 6 days ago (1 children)

Thanks, one solid answer! It could be that it used to be an advantage at some point and now it's just perpetuated

[โ€“] roguetrick 10 points 6 days ago* (last edited 6 days ago)

To be clear, it's still an advantage and for the ones that it isn't they don't die after mating. Most cephalopods are both predators and prey that life cycle results in a very high mortality rate. If you don't hunt enough, you fail and if you get eaten you fail. The deep cold water ones though, tend to have to live longer due to less prey and have fewer predators so they tend to not die after mating.