Any advice for first time Anemone Owner?

[TVR]

I have 1 in my tank now bought frm a Canreef Memeber. I put it on an island rock and it stayed there since. Start seeing some bbl tip but doesn't looklike fully extended just yet. I feed him frzn thing, but curriously what food is best for him - anyone?
Thanks

[Pescador]

Mine rarely have bubble tips and the clones are the same. They do seem to shy away from too strong of a current, you can sometimes get them to move by aiming a powerhead at them.
You can feed them silversides.(a small frozen fish at your LFS)