well my clownknife and my black kuhli loach r up there in the oddest couples today i fed my clown knife an oversized goldfish and he had troubles with it and the loach came to the rescue she started eating the goldfish from its mouth andthen when it was gone she sleans up the clowns nest and eats all the left overs and is a great help to me .......maybe if i get and army of loaches i wont halfta clean at all 
