If you've never seen one, here's what they look like:
View attachment 806195
But seriously, adding another fish to what sounds like an already overstocked tank is only going to make your problem worse. The only way to have less poop in your tank with no additional effort is to keep less fish.
Python fish. Lmao best answer is frequent cleaning but you kinda jumped the gun with the overstocked comment. OP never stated what size tank there in or filtration. He could have all those fish in a 300 gallon. Probably not though

