In a message dated 8/23/97 7:00:23 AM, you wrote: <<From what I understand, SAE, and CAE are two different species who's common names are often mixed up due to the similarity of their name and appearance.>> << <<One of them stays relatively small, and continues to eat algae, while the other one as it matures begins to feed on live fish, and grows to about 6 inches.>> The Chinese Algae Eater is the one that is reported to be aggresive as it gets larger. One thing that you might try is to rotate a pleco through your tanks. It shouldn't take too long for a medium size pleco type to clean up a tank, then it can be removed to allow normal home life for your Apisto's to continue. Jeff Lehman WndrKdnomo@aol.com