Bottom Feeders For Sharpish Gravel

[karin]

I know "sharpish" is not a word, but I just changed out gravel to a black smaller diameter gravel that has a few sharp edges. I'm moving my corys to my other tank with sand (what a great call that is they LOVVVEEE the sand). What would be a good cory, bottom clean up substitute for my 29 US gallon tank (30 x 12x 18 dimensions). Other tank mates, two Bolivian Rams, 10 neons, 4 blue danios and one angel.