You might call the "Evansville Worm Ranch". It's located at 7349 Old Boonville Highway in Vanderburgh County, Indiana.
Their phone number is (812) 477-4534
Ask for Bill or Matt. I was there a couple of weeks ago and Matt said that he had someone seine some crayfish and gave them to Matt to sell.
They looked like a medium sized crayfish. About 2" long. I have seen them in the wild much larger.
Small Mouth Bass will eat these 2" crayfish up.
Not sure if he will have any in the fall or spring though. You may have to go down south to Louisiana or Mississippi to find crayfish at that time of the year.



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