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A comment on Cod Have Been Shrinking for Decades, Scientists Say They've Solved Mystery. Parent comment

Re:Cod Have Been Shrinking for Decades, Scientists Say They'... by mattmaroon on Saturday July 05, 2025 @11:05PM (#44477487)
If that’s the case it should return if we stopped fishing.
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Re:Cod Have Been Shrinking for Decades, Scientists Say They'... by heavyset_go on Sunday July 06, 2025 @12:37AM (#44477881)
Not always the case. Any number of things can happen that could prevent that from happening, like extinction, as an extreme example.
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Re:Cod Have Been Shrinking for Decades, Scientists Say They'... by thoroughburro on Sunday July 06, 2025 @08:01AM (#44479974)
No. A certain gene expression can just be gone forever. Nothing guarantees the desired expression will evolve again.
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Re:Cod Have Been Shrinking for Decades, Scientists Say They'... by mattmaroon on Sunday July 06, 2025 @10:48AM (#44481234)
Sure it does, there is still variation in the sizing of them. If the previous size was the ideal one, and assuming that has otherwise not changed, the larger cod will be more fit and breed more.
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Re:Cod Have Been Shrinking for Decades, Scientists Say They'... by kwk1 on Sunday July 06, 2025 @06:15PM (#44484582)
https://en.wikipedia.org/wiki/Hysteresis
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