I have been wondering for a while if there might be a way to build caves for plecos that burrow in the banks. Now if that is what most plecos do then I mean the larger harder to spawn ones like the rhino. Any how what I was thinking was aexpanding foam cave wall set up. It would be dirty but then finding a way to put a clay ort dit in the cave to simulate a more natural habitat. Not sure if this would work or be kind of on the right track that is why I am bringing it to the experts.