guys thnx and the nicaraguense's i have are around 4-5 inches they are beautiful probably one of my nicer looking fish..and the rtc doesnt seem to bother them he usuallly just eats fish that i put in the tank that are new..so no new fish i guess and i am tryin to get a better pic of the rtc wyldfya..im also thinkin of gettin some more nics..i have them at my work and i think i wanna save them...