[Again, a resend - GBR]
Dear Geoff,
In a hurry.
From memory there are five species which have some resemblance to
what you show:
1) H. bispinosus Bush, 1910 (Caribbean, Gulf of Mexico)
2) H. cruciger Moerch, 1863 (Lower California to N. Chile)
3) H. heterocerus (Grube, 1868) (Malagasy, Red Sea, Sri Lanka, ? New
Caledonia, imported in Mediterranean
4) H. homoceros Pixell, 1913 (Maldives to Iranian Gulf, imported in
Mediterranean)
5) H. stoichadon Zibrowius, 1971 (Mediterranean).
I then checked my notes/files for more and for unpublished species, but
could not find more, although I have the feeling that I have seen your thing
before. I finally checked the two new Indonesian species I have collected,
without notes yet, different.
We are faced with a problem, biogeographically none of the five species
would fit the bill. 3 and 4 differ from your specimen by their funnel radii,
which have blunt to crescent-shaped tips apart from the fact that 3) has
one otherwise shaped verticil spine, and verticil spines in 4 are generally
more elegant, less squat. 5) generally has "abraded knees" in the verticil
spines. The most similar are 1 and 2), but 1) has rounded funnel radii and
2) generally has a bilaterally symmetrical verticil, with distincly longer
dorsal spines, moreover, not as sharply incurving.
In short, I think you have something new.
>Dear Annelida listers,
>>If you think you know your Hydroides species take a look at the url below
>and see what you think this one is. The tube was coiled.
>>http://biodiversity.uno.edu/~worms/docs/WhatIsit.html>>The (small) images are not exactly fantastically crisp but hopefully better
>than none! There's a brief description too.
>>Thanks for any suggestions,
>
dr. Harry A. ten Hove
Institute for Biodiversity and Ecosystem Dynamics
Zoological Museum, University of Amsterdam
POB 94766, 1090 GT AMSTERDAM
TEL. 3120 5256906
FAX. 3120 5255402
http://www-zma.bio.uva.nl/departments/Coel/coeleng/harry.html
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