[Annelida] RE: Unknown Okeanos tubeworm

Reuscher, Michael via annelida%40net.bio.net (by Michael.Reuscher from tamucc.edu)
Fri Mar 24 09:03:06 EST 2017

Hi Geoff and all,
I agree that it looks like an ampharetid. This guy seems to have three pairs of branchiae originating right behind prostomium and peristomium. The bright white structure is probably the buccal tentacles. Ampharetids that come to my mind when I think of very thin body and three pairs of filiform tentacles is Eclysippe. But a conclusive ID of the genus is certainly not possible with these pictures. The tube is spectacular!

-----Original Message-----
From: annelida-bounces from oat.bio.indiana.edu [mailto:annelida-bounces from oat.bio.indiana.edu] On Behalf Of Geoff Read
Sent: Thursday, March 23, 2017 10:03 PM
To: annelida from net.bio.net
Subject: [Annelida] Unknown Okeanos tubeworm

Hi all,

Ideas please for what is this tubeworm on the bottom, around 5000 metres deep, 'hadal hole', Phoenix Islands, Kiribati mid Pacific.  Filmed from the Okeanos D2 ROV. I can only come up with guessing some sort of ampharetid.

The tube is very large, about 25 cm long.


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