Here's my all black nasty guy... Mr Evil, a 5" male Neetroplus Nematopus... He lives and shares and holds his own with a breeding pair of Festae and a large male Labiatus...and treats them with disdain
Yeah they can chew on much large fishes fins but in the tank with the Festae and Labiatus hes just steers clear... however I have a pair of neets share with a pair of Cutteri and they're always chewing at their fins... Firemouths or anything slightly larger will get tormented and their finnage ruined.