Hydroid ID

Congratulations, you have jellyfish! ;)
IMO… not the digitate hydroid or the colonial hydroid. This type is much less a pain in the yang.

Lower the organics in the water and they may go away all on their own.
Stop feeding corals for a bit, start using some coral snow (calcium carbonate), kick up the filtration, etc.
This is a 5 year old thread...
 

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