These look like some sort of filter feeder appeared yesterday

[gabrielw94106]

So I saw this stuff growing on one of the snails I had but then it either moved from the snail to the zoanthids overnight. Now on the zoanthids. Im not sure how to look it up and might be a common pest.

 

[samnaz]

Hydroids

 

[gabrielw94106]

Hydroids

Do these need to be removed? What would be the most effective method?

 

[KJ]

Do these need to be removed?

Yes.

What would be the most effective method?

Superglue.

 

[gabrielw94106]

Yes.

Superglue.

How would I remove them from the zoanthid as its inbetween the polyps