ANEMONE? CORAL? SOMETHING ELCE?

[spencer6508]

Today i was looking real close at some rock and i noticed that i had some white tube looking things with what looked like anemones at the end. Some are white and some are red. When i touched them with a toothpick it retracted back in to the tube really fast. What might this be

 

[spencer6508]

 

[anjiro]

They are tiny feather duster worms. No worries quite harmless and in their own way a good addition to the diversity of your tank.

 

[aquavegas]

They are like the person above me said they are feather dusters they come in a variaty of colors and will quickly spread i have them all over on every rock I love them And they are like tiny little filters that filter your watter