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View Poll Results: Is this a | |||
tube worm | 39 | 61.90% | |
coral | 3 | 4.76% | |
algae | 0 | 0% | |
something else | 21 | 33.33% | |
Voters: 63. You may not vote on this poll |
Thread Tools |
05/21/2010, 01:39 PM | #1 |
Registered Member
Join Date: May 2010
Location: Central Oregon
Posts: 15
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What is this, algae, tube worms, coral???
Ok, this is what brought me to Reef Central, I hope someone can identify it, I dont' know if I should get rid of it or not. It's only on one rock, but totally covering the rock, the bumblebee snails love it and all of them are on that rock. It is a new tank (4 weeks old) that hasn't cycled yet, and the rock is also new (one week) but none of the other rocks that I got from the same place have it on them. This is a 90 gal tank, with 8 green chromis, one small Xenia coral, and snails and hermit cleanup crew. 30 lbs of rock, and 2 1/2 inches of sand. 2 1200 powerheads, external skimmer, Fluval 405 cansister filter. 2 x 96w lights (one white one blue) and one 40w regular florescent.
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05/21/2010, 02:30 PM | #2 |
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Join Date: Jan 2005
Location: Southern Illinois
Posts: 2,913
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1) Welcome to Reef Central
2) To answer your question, those are hydroids. They are invasive and can be tough to eradicate. I'd remove the rock. 3) If your tank hasn't cycled, and the rock isn't cured rock, everything will die when your tank begins to process the organic material and produces ammonia and nitrites. 4) If you're running filter floss or similar in the canister, be sure to clean it regularly in a bucket of tank water or you will have excess nutrient problems. 5) If you're new to reefkeeping, be sure and ask questions before you purchase something rather than after. Good luck.
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Current Setup: 10 Gallon Skimmerless Zoanthid Tank Lighting: Single 175 Watt Metal Halide (14,000 K Hamilton Lamp) Filtration: 10 gallon sump/refugium and Phosban Reactor Return: Mag Drive 700 Controller: ReefKeeper Lite (Basic Version) Circulation: TBD Age of System: Build is in Progress |
05/21/2010, 03:25 PM | #3 |
Moved On
Join Date: Jul 2009
Location: Socal
Posts: 2,315
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I'm by no means an expert but they look like tube worms more than hydroids. They look like hydroids too, but the tubes they seem to be coming out of is throwing me.
Do they retract into a hard tube when you pound on the glass or agitate them in any way? Last edited by thebanker; 05/21/2010 at 03:30 PM. |
05/21/2010, 03:36 PM | #4 |
Moved On
Join Date: Jul 2009
Location: Socal
Posts: 2,315
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actually, the color has me leaning towards hydroids. I believe the above poster was correct.
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05/21/2010, 03:41 PM | #5 | |
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Join Date: Jan 2005
Location: Southern Illinois
Posts: 2,913
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Quote:
I blew the picture up and noted that they appear to be coming out of "tubes". I'm going to say red fan worms. I've had them, but never seen them in those numbers in one spot. A larger picture would be helpful, but after zooming on the picture, I'm leaning against hydroids, but with the size and quality of the picture it's still hard for me to tell. Some on the bottom even resemble aptasia. Are the bases hard and calcerous or are they soft?
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Current Setup: 10 Gallon Skimmerless Zoanthid Tank Lighting: Single 175 Watt Metal Halide (14,000 K Hamilton Lamp) Filtration: 10 gallon sump/refugium and Phosban Reactor Return: Mag Drive 700 Controller: ReefKeeper Lite (Basic Version) Circulation: TBD Age of System: Build is in Progress |
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05/21/2010, 05:42 PM | #6 |
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Join Date: Nov 2009
Posts: 148
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My guess is it's a serpulid not sabellid, because the tubes look calcareous. If when they hide they have an operculum (trap door) covering the hole I am probably right.
EDIT: They are harmless. Keep them! |
05/25/2010, 10:21 AM | #7 |
Registered Member
Join Date: Oct 2005
Location: Long Beach, CA
Posts: 147
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They are tubeworms, which will not hurt anything but will eat food intended for your coral. I have some and they seem not to spread to fast.
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05/25/2010, 11:53 AM | #8 |
Black thumb reefer
Join Date: Jan 2004
Location: Harrisburg, PA
Posts: 1,043
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Look like digitate hydroids or pom-pom hydroids to me.
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05/25/2010, 06:56 PM | #9 |
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Join Date: Apr 2010
Posts: 128
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Id say tube worms but Im not sure....
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05/27/2010, 12:47 AM | #10 |
Registered Member
Join Date: Oct 2006
Location: Rowlett, TX
Posts: 56
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I'm going with tube worms
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05/27/2010, 10:06 AM | #11 |
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Join Date: Oct 2003
Location: Bushkill, PA
Posts: 3,632
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It should be pretty easy to tell if the tube is calcerous be feel. As noted, tubeworms are a cool part of the hobby.
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Why can't my wife see this stuff as an investment? Current Tank Info: way too much to list, and still adding more! |
05/28/2010, 10:47 AM | #12 |
Moved On
Join Date: May 2010
Posts: 15
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Why would u put anything in your tank if It didn't cycle yet and I think for a 90 gal u should have at least four watts a gallon that is my personal choice good luck
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03/03/2011, 04:34 PM | #13 |
Registered Member
Join Date: May 2010
Location: Central Oregon
Posts: 15
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Thank you all so much for all of your responses. Because of the conflicting responses I decided to leave them in there, and keep a close eye on them. It has now been about 8 months and they have not spread. They seem to have stayed on the rock. My yellow eyed kole loves to pick at that rock. I now have a much more stocked, and better set up tank. 760w a 40 gal sump, and 100 lbs of rock.
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03/07/2011, 02:49 AM | #14 |
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Join Date: Sep 2008
Location: Norfolk, England
Posts: 1,576
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They are hydroids but not one of the invasive species ime.
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03/08/2011, 10:02 PM | #15 |
biodiversity enthusiast
Join Date: Apr 2000
Location: Whitehouse, OH, USA
Posts: 1,107
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hydroids
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October 2001 TOTM Current Tank Info: 65g mixed display 100g rubbermaid sump/prop tank, 20g refugium, 100g half cube rimless acro display, 3x 100-180g prop tanks. All powered by LED. |
03/08/2011, 11:04 PM | #16 |
Rebmem Deretsiger
Join Date: May 2010
Location: Georgia
Posts: 1,590
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So, are they hard or soft?
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In the works Current Tank Info: Getting a big'un |
03/09/2011, 09:36 AM | #17 |
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Join Date: May 2010
Location: Central Oregon
Posts: 15
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Soft, they don't blow around with the flow of the water but if you touch them, they are soft.
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03/09/2011, 09:39 AM | #18 |
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Join Date: May 2010
Location: Central Oregon
Posts: 15
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03/09/2011, 10:14 AM | #19 | |
Rebmem Deretsiger
Join Date: May 2010
Location: Georgia
Posts: 1,590
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Quote:
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In the works Current Tank Info: Getting a big'un |
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03/09/2011, 04:50 PM | #20 |
Registered Member
Join Date: May 2010
Location: Central Oregon
Posts: 15
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Entire thing
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03/27/2011, 09:40 PM | #21 |
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Join Date: Oct 2008
Location: Yorkshire United Kingdom
Posts: 57
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look like colonial hydroids to me. I had them didn't multiply for ages then went to t5's and they did get rid while there aren't many
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03/27/2011, 10:12 PM | #22 |
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Join Date: Apr 2002
Location: Fort Worth, TX USA
Posts: 8,267
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Colonial hydroids.
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03/27/2011, 10:39 PM | #23 |
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Join Date: Oct 2004
Location: Los Angeles, CA
Posts: 3,178
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I'd still like to see a close up before deciding whether they're feather duster polychaetes or hydroids.
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Cheers, Leslie So many worms, so little time... Natural History Museum of Los Angeles County |
03/27/2011, 11:12 PM | #24 |
Registered Member
Join Date: May 2010
Location: Central Oregon
Posts: 15
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Sorry, the rock is in the sump now.
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03/28/2011, 02:06 AM | #25 |
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Join Date: Oct 2008
Location: Yorkshire United Kingdom
Posts: 57
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Tags |
algae, coral, tube worms |
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