Forget guppies Go with White Clouds. They sell them as feeder guppies you can get them cheap. I have over 200 of them in my 40g bought for feeders but they look really cool in there. They have shiny bluish stripe on the younger ones and turn to gold strip on bigger ones with red fins Really a striking appearance to view. Imagine 2000 of these in a 500 gallon would be awsome!
