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alexk307today at 2:10 PM0 repliesview on HN

Not to say that climate change isn't affecting this in some way, but the Pacific Ocean is known to oscillate between Sardine and Anchovy regimes [0][1].

[0] https://www.mbari.org/news/from-sardines-to-anchovies-and-ba...

[1] https://fishbio.com/collapse-pacific-sardine/