For now. As long as it is eating, I would not resort to medication. If it really starts to spread then do some research.Yes, Ellen catches a Fiddler crab every other day.
I don't know what chemical would be safe to try to kill the parishes.
I was wondering if it is possible to hold her and physically remove the 1/8 inch "crustaceans".
I know this would be difficult, but is there an octopus doctor in the house!