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Old 02-04-2009, 08:09 PM   #1
btndavidson
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Small Tubes on Live Rock


Can someone identify what these tubes growing on my rock are?

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Old 02-04-2009, 08:20 PM   #2
crvz
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doesnt look like much. maybe just some sort of coralline? hard to tell in that photo.
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Old 02-04-2009, 08:27 PM   #3
btndavidson
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Zoomed in a bit.

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Old 02-04-2009, 10:30 PM   #4
jenglish
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I can't really see but the most likely cantidate is a filter feeding worm. They seem to be the most common tube builder. FOr some reason they seem to be everywhere in a newer tank and get less common as a tank ages.
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Old 02-04-2009, 11:47 PM   #5
harlequin29
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if these start popping up and your tank is newer this is a very good sign that your water conditions are optimal.
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Old 02-04-2009, 11:58 PM   #6
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Quote:
Originally Posted by jenglish View Post
I can't really see but the most likely cantidate is a filter feeding worm. They seem to be the most common tube builder. FOr some reason they seem to be everywhere in a newer tank and get less common as a tank ages.
Quote:
Originally Posted by harlequin29 View Post
if these start popping up and your tank is newer this is a very good sign that your water conditions are optimal.

My tank is 4 months old, and I have a bunch (100+) of them now. I was gonna start a thread asking if I should start taking some out, but apparently they will regulate themselves.
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Old 02-05-2009, 12:00 AM   #7
jenglish
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Originally Posted by Mr.Peanut View Post
My tank is 4 months old, and I have a bunch (100+) of them now. I was gonna start a thread asking if I should start taking some out, but apparently they will regulate themselves.
THey tend to. I think they are always in a tank but they do seem to decline after awhile. I have a tank that is empty but filtered and all and they continue to thrive in there. I'm not sure what is behind it really.
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Old 02-05-2009, 12:07 AM   #8
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I stared at my tank in the beginning and I noticed 1 after a few weeks on the LR. My daughter and I got so excited to see this little "snowflake" that would disappear in the blink of an eye.
Now they are everywhere. I wonder if having the tank fish-less has anything to do with the large population?
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Old 02-05-2009, 12:12 AM   #9
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Here is what I found at reefs.org: :cheer: :cheer: :cheer:
Spirorbidae (------ror-bid-day)
I think spirorbids are the worm about which I field the most questions, because their tiny calcareous tubes are almost ubiquitous among reef aquaria, and they are so small that unless one looks carefully, you cannot see the crown worm itself, just the circular spiral of the calcareous tube. I usually receive questions to the effect of, "There are tiny calcareous spirals all over the glass and rocks in my tank. Are they egg masses of snails or something?" If you take any hand lens and look carefully at those spirals, you will most likely see a tiny set of pinnules and a tiny operculum which both resemble the structure the serpulid tubeworm, Hydroides dianthus.

Like the sabellids and serpulids, these worms have two distinct body regions: a tentacular crown which projects from the tube for feeding and respiration, and a soft, fleshy body which remains permanently within the safety of the tube. The tightly-coiled, calcareous tubes attach permanently to any available hard substrata, and the anterior end of the tube is sealed by an operculum similar to that of the serpulids when the worm withdraws into its tube. Serpulids, however, do not grow in the characteristic coiling pattern of the spirorbids (which may coil to the right or left -- sinistral or dextral -- depending on the species) which is unique to the spirorbids.

Once again, these worms are virtually harmless. These animals brood their larvae in either the operculum itself, or within the tube until ready to metamorphose, and then release very short-lived planktonic larvae. These larvae often settle within minutes (and almost always less than an hour) of their release, and can therefore spread rapidly within a reef aquarium. This generally happens early in the life of the aquarium, and in a well-maintained, clean aquarium, the initial population explosion of these small worms quickly slows and they are almost never a problem in any aquarium. If the population continues to climb to the point that all surfaces in the tank become encrusted with these worms, it likely indicates a high suspended organic problem, and you should be more concerned with your water quality than the presence of these polychaetes, per se.
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Old 02-05-2009, 01:05 PM   #10
jonnosteams
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Is it clear or a little color to it. Like a dirty airline? Could be a sponge. If not it's a 'worm'.
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Old 02-05-2009, 11:21 PM   #11
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Spirorbidae +1 i have a ton of them in my tank. I hear they will find a equilibrium at one point. On a interesting note, i have observed my peppermints pulling them out and chowin down.
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