check out the mouths on these

[kryppy]

I'm collecting stuff down in the Keys and just noticed this in the ten gallon tank that is holding some of the things.

 

[MarvinsReef]

whoa.. interesting..

Marvin

 

[hot4teacher]

Pucker Up!

New Name: "Sour Balls"

 

[Bebo77]

lol

 

[twon8]

i have seen that, usually when the polyps have been disturbed. seems to be more common in -pe types. also can occur when left out of water for a while. more of a stress response than feeding response imo.

they are just inside outing their mouths.