What is this thing?

[markglass]

What is this living in my goni i got?

 

[EeyoreIsMySpiritAnimal]

That's a barnacle, and a very pretty one at that! Harmless to the coral but often short lived in our tanks.

 

[randomfishdude]

Thas is cool

 

[kevgib67]

Wish I could see it, could you post a picture?

 

[markglass]

Wish I could see it, could you post a picture?