well he is cat stevens (sold to me as a cat fish hence his name ) hes the one who is in love with my loach. depending on what he realy is he might not get any bigger or he could get as big as 5 inches long (s/he was the daddy/mummy in the tank (all his / her babys where there ) he has been hiding up a lot but since i have taken he house out to clean it he is playing with the other fish more (if he is playing that is ) im wondering if i should put it back in the others realy like having the space