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VoilaVoilaWashington t1_j2fhkia wrote on December 31, 2022 at 9:59 PM

Reply to comment by glacierre2 in If fish accumulate mercury in the more toxic, methylmercury form, is it toxic to them? by XComhghall

Brain damage would be an issue for any animal. Predators not being able to hunt and track their prey, which would represent most of their brain power, or prey not being able to evade strikes.