Most large Cichlids (Convicts, Green Terrors, Oscars, etc.) like lettuce or cucumbers. You can buy lettuce clips at most fish. pet stores or weighted cucumber spikes as well.
I have seen people talk about feeding veggies to their fish. I am clueless about this one. What specific veggies and are they raw, canned, cooked or what? Thank for your answers (please no stupid ones....)