Is this white spot?

GT3

New member
I find these little circle things every morning after the light switched on, what are they? They seem to be getting more now. Some one glass and some on rocks.

This is one I focus on a live rock
zuo7it.jpg


There are 3 on the glass
icv5at.jpg


This is the whole tank view, I have 3 corals,two fish,2 blue hermits, 1 turbo, 1 astra, 2 nassaixxx snail.
mbssnl.jpg


help!
 
Post those over in the invert forum, GT3: we have some small-life experts over there. I've never seen any quite like them, and I've been at this a while. Appear to have structure, like a small nem, but not aiptasia as best I can discern. Let us know what you find out. I don't think they're harmful: more a curiosity.
side topic: looks like you're getting a tiny bit of cyano, if I read that red stuff accurately. You might try turning your lights out 3 days once a month and see if your skimmer can pick up the resulting cyano dieoff. Or check the age of your lights: 6-8 months expires mh---dunno on the other varieties.
 
Post those over in the invert forum, GT3: we have some small-life experts over there. I've never seen any quite like them, and I've been at this a while. Appear to have structure, like a small nem, but not aiptasia as best I can discern. Let us know what you find out. I don't think they're harmful: more a curiosity.
side topic: looks like you're getting a tiny bit of cyano, if I read that red stuff accurately. You might try turning your lights out 3 days once a month and see if your skimmer can pick up the resulting cyano dieoff. Or check the age of your lights: 6-8 months expires mh---dunno on the other varieties.

You are right, I also spotted little red slime stuff on my send and some rocks. Very likely cyano.
 
They would close their 'mouth' like my polyps, and open during the day. I found only one at the beginning of my startup, now I have around 7-10. Still not sure what they are but they do seem to grow larger slowly.
 
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