RBTA, what’s going on?

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jtlmnop

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So I have had my first RBTA in the tank for a little over a week. It settled high on a rock opposite the light, and likes to stretch out over the top of the rock towards the light during the day. Seems happy, hasn’t moved since it settled. No bubbles, just stringy tentacles. But seeming normal.

Today, I see it twisted at the base and closed up. I hadn’t fed anything, so seemed odd. Searched the forum and found a few examples of similar behavior, and that it was nothing to worry about.

Sure enough, and hour later, it’s back to stretching out, tentacles blowing in the flow from the return.

Another hour later, I watched it twist at the bases and essentially collapse.

Is it preparing to split? Or just being a nem?
 

WHICH PART OF YOUR SETUP IS HARDEST TO REACH OR REMOVE FOR ROUTINE MAINTENANCE?

  • Glass behind or beside the tank

    Votes: 9 25.0%
  • Powerheads or wavemakers

    Votes: 3 8.3%
  • Sump or rear filtration chambers

    Votes: 5 13.9%
  • Skimmer or other filtration equipment

    Votes: 2 5.6%
  • Overflow or plumbing

    Votes: 8 22.2%
  • Lights or lids

    Votes: 0 0.0%
  • Mine is pretty easy to access!

    Votes: 8 22.2%
  • Other—tell us what I missed

    Votes: 1 2.8%
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