pipa pipa frogs

I had a question about food ideas for my pipa pipa frogs. I bought at a bait n tackle earthworms, freshwater live shiners, fresh salt water sardines. Now I am nervous that all this stuff might carry diseases. Any suggestions/advice would be appreciated. I put the sardines in the freezer and...

I just got a pair of pipa pipa frogs! They are 3" long and awesome. Would an 8" black ghost knife be able to live peacefully with them I'm afraid the ghost could nip at there little feet? What are some nice tropical fish that are peaceful that can cohabitate? Thanks in advance mfk'ers I always...