i would not put the ray in a tank with corydoras catfish. if the ray tries to eat one then it will be game over as it will lock its fins and the ray will efectively choke to death. plus get the crayfish out of there straight away or you wont have a tail left on the ray!

) not too far from my house, so I'm getting them there instead. The lady who sold the worms to me said I need to catch a record bluegill so she can say the bait was bought at her shop