territorial

Hey all, I’ve got 4 juvenile red horse faces in a 55 gallon tank at the moment, 3 of them are generally okay but the largest is quite aggressive and territorial usually leading to the others having to share a small side of the tank. does anyone have any suggestions or recommendations as to what...

What do you guys think about single fish tanks with fish that are solitary/territorial in nature? ( leopard ctenopoma, beta, etc) Would the fish benefit from companionship and be less bored? I see people keeping large fish like oscars and flowerhorns solo and it makes me wonder if fish have...