Sam,
Are you sure the Anubias was eaten by one of your Otto's !
Seems very unlike an Otto. I've got 6 and whilst they often clean the leaves of any algae growth (even stuff that I cant see) they have never damaged even the most delicate plants.
.... If it was your Otto's, I'll have to keep a closer eye on mine !
Al
I'm in agreement with Mr. G. You must have some Satanic otos roaming your tank Sam, I've never seen one eat a plant, especially an anubia. Even cichlids barely touch those!

As for another possible plant for wood, have you considered Bolbitis heudelotii, the African fern? That might do well, especially if it's near the filter current. I have some bolbitis in both of my tanks and I like them a lot.
Back to the anubia. You know, a lot of times, LFSs place their anubias in the substrate, which is not good. Their leaves may look great, but the rhizome can be damaged. One of mine was purchased that way, and though I thought it was healthy at the LFS, upon inspection at home, the rhizome was rotted partly. Sometimes they can recover if the damage isn't bad, but the damage was too extensive in that particular anubia and the rotting spread, despite my best efforts. As the rhizome rots, the leaves fall out, very sad, really. I showed them the rotten rhizome and got my money back, since my other anubias in my tank were super healthy. A healthy rhizome, even without leaves and few roots will develop into a new plant. I managed to divide one of my nanas into 5 plants by just cutting the rhizome. But if the rhizome is unhealthy, there is little hope for the plant. This has just been my experience with anubias. Too bad really, I liked that anubia in your tank, but I don't think it was the otos. Sorry for the rambling.
llj
