Clown loaches will do the trick. Mine eat everything on the substrate except what my plecos keep leaving.
So i have a pack of frozen bloodworms... and unfortunately they scatter with the current when being fed to my fish... and amost 20% falls into the gravel uneaten and sooner or later rotton. I do Water changes every other day regardless but is there a solution to this? like bloodworms fly Everywhere..making me deter from feeding them. and i dont want to waste themm and let them sit in my fridge