Tiny brittle star on glass?

[ACIAMPA]

Found these looking at my glass almost looks like a tiny brittle star or some kind of anemone. They’re so small about the same size as copepods. See pics, any ideas?

 

[kchristensen8064]

It's a hydroid, is your tank fairly new? They tend to come with newer tanks and don't cause any harm, they will disappear on their own. The last picture is some pods, they are good and you want those.

 

[Crabs McJones]

Yup, hydroids.

 

[ACIAMPA]

Cool thanks guys just did a rebuild last month, never noticed them in the tank before