[Annelida] Swima the swimmer
(by kfitzhug from nhm.org)
Sat Aug 22 22:39:54 EST 2009
I wish to apologize for the tone of my initial post. I made the mistake of writing it in haste after a very long day, and should have chosen better words to voice my opinion. I'm sincerely grateful to the replies that all of you provided me, here and personally. As many of you know, I speak my opinion. It's who I am, and I only do it because I love studying the nature of science and I think it's important that we all challenge ourselves as scientists.
I hope you can forgive a cranky old-ish guy for making yet another mistake.
From: annelida-bounces from oat.bio.indiana.edu on behalf of Kirk Fitzhugh
Sent: Sat 8/22/2009 1:30 AM
To: Geoff Read; annelida from magpie.bio.indiana.edu
Subject: RE: [Annelida] Swima the swimmer
Nice discoveries indeed. It's unfortunate that the scientific merits of the phylogenetic hypotheses are dubious at best. But then, it *is* published in Science. ;-)
From: annelida-bounces from oat.bio.indiana.edu on behalf of Geoff Read
Sent: Sat 8/22/2009 12:54 AM
To: <Annelida list
Subject: [Annelida] Swima the swimmer
Osborn KJ, Haddock SHD, Pleijel F, Madin LP, Rouse GW 2009. Deep-Sea, Swimming Worms with Luminescent "Bombs". Science 325: 964 (and online 'supplement').
Swima bombiviridis named (new genus, new species of acrocirrid)
Abstract: "By using remotely operated vehicles, we found seven previously unknown species of swimming annelid worms below 1800 meters. Specimens were large and bore a variety of elaborate head appendages. In addition, five species have pairs of ellipsoidal organs homologous to branchiae that produce brilliant green bioluminescence when autotomized. Five genes were used to determine the evolutionary relationships of these worms within Cirratuliformia. These species form a clade within Acrocirridae and were not closely related to either of the two known pelagic cirratuliforms. Thus, this clade represents a third invasion of the pelagic realm from Cirratuliformia. This finding emphasizes the wealth of discoveries to be made in pelagic and deep demersal habitats."
Nice discovery. I want to know what they feed on, and how.
Geoff Read <g.read from niwa.co.nz>
NIWA is the trading name of the National Institute of Water & Atmospheric Research Ltd.
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