Why is it giving me the finger?

[solpete]

My euphyllia is giving me the finger, why ?

 

[frisbee]

That's called a "sweeper tentacle." It's just the corals way of getting a feel for what's around them. They also pack a powerful sting if they happen to come into contact with anything.

 

[lbiminiblue]

My euphyllia is giving me the finger, why ?

did you cut him off? did you favor one frag over another at feeding time?