man I put the two biggest ones in my 150 and they have grown..looking good... the biggest one is some what aggressive toward my Heros Efasciatus I had to take the efasciatus out of the 150... but the other two are in my 10 grow out and doing well there with a brown severum...ira;3164271;3164271 said:Louie how are the rotkiel doing? In a 150 gal they shoul be ready to spawn in acouple of months.