Same three fish, overhead view.
One fish doesn't like his feed when the water gets too cool. To be honest, he eats it, and then spits it out a lot.
The next fish likes his food a lot, but it sometimes gives him the runz, and lots of algae grows in his tank. He grows rapidly, but if you look at his innards upon dissection, some of his organs don't look quite right. He'll still outgrow any of his cousins who don't have feed by about two to one.
The biggest fish eats his food when it gets cold out, and seems to come to floating pellets better than the other two fish. He also doesn't appear to have any sorts of internal issues.
Believe it or not, by percentile, vs. the fish that weren't given any feed at all the fish ranked as follows:
Smallest fish, about 60th percentile
Middle fish, about 97th percentile
Biggest fish, they don't make a percentile high enough for him
