Snakelock Anemone

[zeo]

I've recently seen quite a few cheap deals on snakelock anemones on ebay.
I was wondering, how are they in the aquarium? Are they clown/damsel safe?

 

[demonmagus]

http/www.glaucus.org.uk/Snakelok.htm

I thought I'd seen them in a British reef book. Not sure if they can survive higher temperatures though.