Welcome to the forum!

Just like a city boy in the country, or a country boy in the big city, critters do better in an environment that most closely mimics where they grew up.

A crayfish from So. Lousiana where it rarely freezes might not do well in an Oklahoma pond that gets ice covered.

Since crayfish are prey species, they typically scoot away from things that are large enough to eat them. I wouldn't worry about anybody getting pinched unless they try to pick one up. Even then, if you grab them behind the pinchers, you're 99.9% safe.

There's many different types of crayfish. Some do better in streams and creeks, some do better in swamps. Some burrow into the bank and make chimneys, others don't. There's lots on here about crayfish, but you'd have to do some searching.


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