hey i just got 4 new monos 4 days ago (only 4 quid ea =p) atm they are about 2 and a half inches long . they are elready hapily eating pellets and bloodworms but ii was just wondering at wat size do they start showing their colours? and secondly i have them in a 100 gallon (uk) grow out tank and was wondering wat size they will need when they are fully grown?

