my midevil lives alone because he is a murderer but he is a pussy cat to me , i put my hands in he just goes about his business, i toss a fish in , within 30 min it is half eaten or he forces them out of the tank, i have temp tried to house things with him and he will literally run it out of the tank,
doesnt allow plecos either, no snails NOTHING but to me he is very chill.. you can pet him but i dont i cant imagine it is good for there slimecoat