Neat, I'll just feed him when the lights goes then and hopes he eats. He rarely ever leaves his spot and even when foods fall on him he still doesn't move. Also the slime thing stopped.It could be, or maybe they just feel no need to afraid anything at that size.
Yup, IME, most of my catfish act like nocturnal, and some of them, I don't even know when they feed just found them with full belly in the morning.