Mystery Guests for the New Year

Homestarmy

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Happy New Year to All!

I introduced my first corals last week and now find a number of mystery guests on my glass and possibly in the water column. Can anyone tell me what these are?
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Reefing102

Metal Halides Til The End
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Agreed. Hydroid jellyfish. Generally deemed harmless and will go away on their own in my experience.
 
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Homestarmy

Homestarmy

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Good to know, thank you! I did a little reading and it doesn’t look like they have much in the way of natural predators, but apparently six line wrasses may (or may not) eat them, which is convenient since I have one. It will be interesting to see how that shakes out!
 

Freshwater filter only or is it? Have you ever used an HOB filter on a saltwater tank?

  • I currently use a HOB filter on my reef tank.

    Votes: 7 35.0%
  • I don’t currently use a HOB filter on my reef tank, but I have in the past.

    Votes: 1 5.0%
  • I have used a HOB on fish only or quarantine tanks, but not on the display tank.

    Votes: 3 15.0%
  • I have never used a HOB on a saltwater tank.

    Votes: 8 40.0%
  • Other.

    Votes: 1 5.0%
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