What type of clown is this?

[OranguTang]

In my buddies tank. Natural host?

 

[Bmgrocks]

Black Saddleback

I want to say sebae?

 

[guido_kp]

looks like a black n white saddleback. A. Polymnus. Prolly hosted by a haddon's carpet or H. crispa anemone.

 

[AquaReeferMan]

Yep, A. polymnus. Mine love their haddoni.