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[Annelida] Unidentified animal (with pictures, sorry)

Ton Van Haaren via annelida%40net.bio.net (by TonVanHaaren from eurofins.com)
Tue Mar 20 03:17:38 EST 2018


I really don't know, but what if these yellow parts are the reflecting scales of a scale-worm and the "antenna" are the anal cirri?
And as they construct tubes, perhaps Acoetidae?
Just guessing
Best wishes from Amsterdam
Ton

-----Original Message-----
From: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-bounces from oat.bio.indiana.edu] On Behalf Of Karlen, David
Sent: 19 March, 2018 13:41
To: Paulo Henrique BONIFÁCIO
Cc: annelida from magpie.bio.indiana.edu
Subject: Re: [Annelida] Unidentified animal (with pictures, sorry)

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Hi Paulo,


It looks like it could be a corophid-like amphipod or tanaid crustacean, although very large if your 10 centimeter size estimate is correct. The wood piece looks like a mucus/detritus tube and if you zoom in on the picture there appears to be a pair of antennae above the yellow structures which also may be a pair of modified antennae? I would be interested to hear what other folks think.


Thanks,


Dave






David J. Karlen, Ph.D.

Chief Environmental Scientist

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(813) 627-2600 ext. 1202 | www.epchc.org



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________________________________
From: annelida-bounces from oat.bio.indiana.edu <annelida-bounces from oat.bio.indiana.edu> on behalf of Paulo Henrique BONIFÁCIO <paulobonifacio from gmail.com>
Sent: Monday, March 19, 2018 8:15 AM
To: annelida from magpie.bio.indiana.edu
Subject: [Annelida] Unidentified animal (with pictures, sorry)

Hi everyone,

A colleague doing annotation from ROV images observed this animal (black
circle) and we dont what it could be.
It seems to use the wood piece (?) to live as a hermit grab. I supposed the yellow structures could be in the anterior region but if its the case it moves backwards. I think its not a polychaete but i have no idea what could be. It seems to have about 10 centimetres (maybe more).

The photos were done from 520 and 575 m depth in l'Astrolabe Bay Papua New Guinea.

Some idea???

Thank you,
Paulo












Paulo Bonifacio
bonif from me.com
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