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Old 01/11/2008, 06:06 PM   #1
Mrseptember15
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Exclamation Black Slug looking thing...ID PLEASE!

I've seen a couple of these in my tank, they hang around the coral and I can't seem to cut them off with my razor so I'm just wondering what they are!




Please and thank you


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Old 01/11/2008, 08:30 PM   #2
reefnetworth
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stellatoma? honestly cant remember, i just know they are reef safe cleaners/algae eaters.


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Old 01/11/2008, 08:33 PM   #3
Sk8r
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not a stomatella. Looks a bit like a nudibranch.


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Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 01/11/2008, 10:36 PM   #4
Mrseptember15
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Yeah, I don't think it's a stomatella either because it doesn't move as much. One of them actually went under a coral and now it has a stalk of xenia on top of it. idk whats going on but I hope it's reef safe! I just had one of my colt corals disappear


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Old 01/12/2008, 09:37 AM   #5
greenbean36191
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Well, my first thought when I saw the pic was that it's an ovulid, but I'm kind of confused by the descriptions.

You said you can't cut them off with a razor. Does that mean that it's got a solid attachment to the rock or that it just had a strong grip? Have you seen it move? Does it move like a snail? What do you mean it has a stalk of Xenia on top of it? Did it just crawl under a mat of Xenia or is the Xenia actually growing on it?

What does it feel like if you touch it? Does it feel like a soft layer over a hard shell?


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Current Tank Info: tore them down to move and haven't had the time or money to set them back up
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Old 01/12/2008, 12:49 PM   #6
Mrseptember15
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I posted this same question on another forum and got this:

Guitarra Sp (black encrusting sponge).

It's isn't shell hard but it has a really thick grip on the rock. I try to cut it out but it doesn't budge.


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