Heck no, I would not give them beef or other type of meat. I also would not offer them a taco! laughing... The shrimp idea sounds good to me! Today I might stop in Lowe's and see if they sell a small amount indoor outdoor carpet. If its soft enough I could use that as part of their land. The pebbles I tried to stabilize with large rocks keep sliding. That's why I have a shallow plastic dish of eco earth they often sit on. Or, I could remove the pebbles since I have plenty of rocks. I'll figure out how to set it up before I clean their tank today. Thanks for the shrimp idea!