To give you perspective on how big those tems are, the tank is 10' long. The big tem, "Arnold" is easily 30"" and I would be the is pushing 15 pounds. If I can figure out how to post video I could show u guys him crushing boston mackerel like they are shiners. I also have (2) intermedia in my sumps growing out along with a female motoro. A female black diamond ray, a tigrinus, a tarpon, and 3 freshwater morays. They all have to put on some size before they go with the big boys.