I bet by the end of the summer you will have a few really big crabs, exsoecially if you are catching cutting and feedign bullhead catfish....
any time you clean fish too you could toss the carcus and they would eat that up....
I was considering puttnig some but I am trying to get a food chain started and have added cray fish when I can get them. I figured they would just wipe them out.

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