i think theres anuth room in the tank its a 6 foot long one if u think its not big anuth feel free to say so...............im curus about some things i am hearing on here and other sites like i saw hear they tend to attack each other some times i have 6 difrent typs in the one tank and never had any problems like that they all seem very happy and feed together and stay together alot of the time no shy ones ether i gather i some of both male and female the only times they start going after each other a bit is if i put a breeding pair together in my small tank to mate them and they dont fight just chase each other a bit befor breeding if there male and female other wise they dont do any thing my qestion is why have i had no problems with fights oh i did not no until i saw it on the net that they may fight and i have had them for over a year now and there not babys ether