Doc Dave, I've seen some cat balls in lakes and creeks but never checked on whether they were bullheads. I have always assumed (There I go again) that all cats did it as fry. Now I'm curious whether other cats disperse or school as fry.

Since other small fish, both fresh and saltwater, school for protection; I figured all cats formed into the familiar ball.

I'm sure you know more about the tiny percentile of fry that actually make it to adulthood in the fish world than I do.

Now I'm curious about whether Mama Nature favors the bullhead. They do seem to have better recruitment than the channels. Channels aren't present in my creek but bullheads are. Why not? I gotta look further into this.