“Crawzilla” was huge. Then scientists found an even bigger crayfish

ScienceDaily
Oct 15, 2026, 11:45 pm90 pts
A nationwide search for giant crayfish uncovered a record-breaking Tennessee specimen and a surprising mystery about how big these freshwater creatures can grow. Scientists found that North American crayfish seem to hit a biological size limit, possibly because of their muscles or protective shells.

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