As the title states what are the pros and cons to keeping a Lince and Phantomn RTC with stingrays. Im planning on getting some stingrays 2 about 12 inches and 2 6-8 inch each the lince is about 20 inches and the phantom RTC 2.5 inch . I have a grow out 36x36x13 that the RTC and pups can go in and a 500 gallon main tank for the lince and larger rays. I am concerned after doing research that the catfish will out compete the rays for food. My goal is to breed the rays eventually so naturally I would want them to put on some size as quick as possible. Is this a bad idea? I figure the only way to make sure the rays are putting on size will be to over feed the tank which I can adjust for by doing more water changes. Naturally I will probably be spending twice is much on food because the catfish are hogs. I really want the catfishes but for my end goal is the juice worth the squeeze? I have heard of ppl hand feeding stingrays when dealing with greedy catfish but not sure if I have another option.