what is this????

[watson0720]

can anybody tell me what this is, when i feed my tank it will catch a piece of food and close up around it.

[akm]

Protopalythoa sp. or a button polyp. It's like a zoanthid.

[caferacermike]

I started with one and within 2 months have about 40. Paly or button, or sand polyp as was mentioned.