I think I already know the answer to the question. I know I have a female con and the texas I am unsure of the sex. Is it possible for them to breed if the texas is a male? I don't want them to but I have noticed that the texas has been digging and with the diftwood where it is, it basically made itself a cave. They have been a little nippy with each other and fanning their back fins at one another. The female con is the only in the tank that the texas will allow in its hiding area.