Katsafado's first ever 10g SW tank(nano)

katsafados

Active Member
So is this a hydroid?
https://forums.saltwaterfish.com/data/0/08/0857423e_vbattach235687.jpg
I was looking at one of my zoas colonies and saw this feathery/ coral looking stock sticking out of the rock touching my zoas. One I went and touched it it closed liek a zoa would close. But it looks nothing like one.
 
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