Paretroplus kieneri in their species tank

[notho2000]

I have ten P. kieneri in a 90g species tank. They always seem to be in a hurry, chasing one another or looking for food. One pair (the lightest colored) has eggs inside the right side cave but of course as soon as I approach the tank, they all,without exception rush to the front glass looking for a meal. I find their large caudal fins particularly striking. Here they are in action:

http://www.youtube.com/watch?v=dF7I-IaTw6w