Mozambique Tilapia is what I got from Overton's and yours look like mine. If your males' tails start to turn red while nestig, I would bet you have the same type.

Here is a link to images from Google showing Mozambique Tilapia:

Google images of Mozambique Tilapia


Brian

The one thing is the one thing
A dry fly catches no fish
Try not to be THAT 10%