Science & ClimateScienceDaily•1 min read•10/16/2026 (1h ago)

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

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

Key Takeaways

  • 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.
  • Full details and original dispatch available below.

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.

Original Publisher Attribution

This summary was curated from ScienceDaily.

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“Crawzilla” was huge. Then scientists found an even bigger crayfish — Loop60