I've got a breidohri, rio salado, that I got at around an inch. Grew an inch in a month, slowed for a month or two, then shot up to 5 inches in less than 3 months, got very aggressive. I've been told by like 3 people that he is a very irregular individual. Got him from tuic. It is in fact a he, and he has very strange features other than his growth rate. He has the blue pearling and pink throat of rio salado but no pink undertone, only grey. He's around 5 inches long. His fins are also very amphilophus like, as opposed to the normal vieja finnage where the fins make sort of a dome shape, his fins do that thing where they curl up and come to a point. Did I just get "lucky" with a weird individual?