Welcome to Pond Boss!

With the little bit of detail you've put forth, I might guess you have a handful of much larger fish.

What do your population of bluegill look like, as well as other fish?

Oh, and how old is the pond?

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."