I'm amazed the silver dollars are ignoring it!
Whenever I've tried Anubias I've found that the new leaves are very tender and apparently irresistible to my fish!
The same tank had many other tender leaf plants such as hygro and ludwigia and none of them were touched. I never figured out which fish were eating the Anubias but when I put a net over them the plants grew well, however, as soon as I removed it they were immediately scoffed again!
I've still got a couple that are currently OK in a tiny tank with just some loaches and they seem to leave them alone.