[Annelida] Id for drift tube cluster?
(by polychaete1 from gmail.com)
Thu Feb 10 05:30:18 EST 2011
Hi Pat and others,
Could these perhaps be tubes of chaetopterids? If they are open at both ends
it's a possibility, perhaps even if they are not. Some species can form very
dense aggregations, and big tubes start out as very small ones. I don't know
how much genetic information would be in the tubes, but they are secreted by
the worms, so a DNA check by one of our experts might throw some light on
the picture. If the tubes all seem to be contaminated with human DNA, I have
been told that there is a way to get the program to ignore anything
referring to the human fraction and concentrate on what's left.
I look forward to hearing what you find out!
Mary E. Petersen
polychaete1 from gmail.com
On Fri, Feb 4, 2011 at 8:57 PM, Geoff Read <g.read from niwa.co.nz> wrote:
> Id suggestions sought.
> >>> On 5/02/2011 at 4:36 a.m., Patricia Pocklington
> <ppockling from eastlink.ca> wrote
> I received this query from a colleague in Bermuda.
> -----He has made a guess at a tube worm cluster. It is growing
> on a velcro strap that he picked up off the beach in December. He has
> seen the tubes at least once before, also on floating debris. The
> barnacle in the picture is 1cm long.
> I don't recognize the tubes but wonder if you would put it on the
> annelid list. Perhaps someone out there will know which animal built
> the tubes.
> Pat Pocklilngton
> <ppockling from eastlink.ca>
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