Shorty, your fish have beautiful yellow colors on the underside and on the lower fins. Very striking. I notice your pond is in NE. I notice the fish from sparkplugs fish (Freedom, Indiana), have some of the yellow color too. Any way the two of you can compare what it is in your water, nutrients, feed, etc that brings out the yellow color?

Have either of you tested water for pH, hardness, iron, trace minerals etc in the past where you could line up the results and look for a common theme or clue?

beautiful fish!