[Falina]

i have 3 blue rams and i assume they will behave similarly. i know what you mean about changing colour. i think mine kinda square up to each other now and again and youre right, their colour darkens by an unbelievable amount! i think theyre just having a wee squabble aomng one anotrher and as long as theres no actual agression, like you said theres no lip locking or nipping, then you should be alright