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Cuthona yamasui

Hamatani, 1993


Roberto Erta Cuthona yamasui Bali - Indonesia

Message posted on NUDIBRANCH LOVERS on 16 Oct 2013
Manta Ray Name: Any Idea? Location: Amed, Bali Nikon D700 + Aquatica, 60mm, 2 x S&S YS-D1 Strobe ISO200, F32, 1/125

Ron Silver Cuthona yamasui

Manta Ray Thanks Ron Silver

Scubashooters Dot Net Yessss!!!!

Yati Lai Beautiful

Message posted on Scubashooters.net on 04 Nov 2013
Manta Ray Name: Any Idea? Location: Amed, Bali Nikon D700 + Aquatica, 60mm, 2 x S&S YS-D1 Strobe ISO200, F32, 1/125

Ron Silver Cuthona yamasui

Manta Ray Thanks Ron Silver

Donna Lavoie Alien!

Message posted on UWphotographers on 04 Nov 2013
Bernard Maglana Dayang, Talikud Island, Davao, Philippines

Tini Palar beautiful

Topher Fletcher we get these in nsw Australia too

Deb Aston Trinchesia yamasui

Lindz Warren The currently accepted name on WoRMS is Cuthona yamasui Hamatani, 1993

Jun V Lao 3cm, 6 mtrs, 26c, Coconut dive site Anilao Philippines

Jeff Rosenfeld Trinchesia yamasui Hamatani, 1993 (also known as Cuthona yamasui)

Alexey Seleznev

Ron Silver Cuthona yamasui

Giorgio Cavallaro Uwp (y)

Message posted on UWphotographers on 15 Jul 2013
Roberto Erta Anilao Canon 1000d Housing NIMAR + 2S&S + 100mm F14-1/200-ISO100

María Eugenia Suárez Name?

Giorgio Cavallaro Uwp Very nice (Y)

Imade Widana Great......

Ron Silver Cuthona yamasui

Roberto Erta Tanks all !!

Emanuela Purificato Bellissimaaa!!! Veeeery beautiful!!! :)

Roberto Erta The name: Trinchesia yamasui (Hamatani,1993) . For Maria María Eugenia Suárez

Elly Jeurissen Beautiful Roberto :-)

Message posted on UWphotographers on 02 Jun 2013
Kyudong Lim Torch lighting on the mirror D700/ Torch lighting/ f-20/ ISO400/ 1/80sec Someone who know what's this name?

Frank Wehner think it's "Janolus babarensis"

Frank Wehner beautiful shot!!

Kyudong Lim Frank Wehner Thank you for your answer^^

Frank Wehner a pleasure - as a hint for you: join Nudibase on FB if you love Nudibranches... :-))

Alexis Principe Most likely Cuthona yamasui. :)

Message posted on Underwater Macro Photographers on 27 Apr 2012
Ning Chang

Arantxa Di Mare Cuthona yamasui ???

Message posted on NUDIBRANCH LOVERS on 30 Sep 2011
Clark Guigle my fave for now: Cuthona yamasui

Ken Thongpila Very nice...

Blogie Robillo Trinchesia yamasui. Length abt 2cm or less; depth 15m @ Dayang Beach Resort, Talikod Island.

Penn Dls 2 pairs of rhinos?

Blogie Robillo No, the lower pair is its oral tentacles. They're more visible among aeolid nudibranchs.

Patrik Good Nice shot with great frontal and underside details. They grow bigger but are hiding better where we dive.

Blogie Robillo Yeah, they are quite difficult to spot!

Blogie Robillo Gary Cobb - Is Trinchesia yamasui the accepted name or is it Cuthona yamasui? (Same question for Trinchesia sibogae)

Gary Cobb Trinchesia instead of Cuthona We use Trinchesia and not Cuthona for these species following the work set out in Michael Miller’s paper of 2004 in the Journal of Natural History, Vol. 38, Issue 9. The nomenclature procedure is a fluid process often changing and changing back again when new research and information is brought to light and published. It should always reflect the "most recent findings". Miller’s paper is the most current authoritative work in this area and we conform to that. We fail to see the reason for any confusion.

Blogie Robillo Thanks for clearing that up for us, Gary!

Gary Cobb The reality is Blogie some individuals fight the system and run their own show. In so being lots of individuals follow them and there you have chaos.

Blogie Robillo I kinda figured that, Gary. *sigh*

Gary Cobb Use Trinchesia and you will be right! :)

Blogie Robillo Here's the thing, though. EOL.org lists T. yamasui just fine. But for Trinchesia sibogae, no entry at all. They only have Cuthona sibogae.

Gary Cobb According to the latest paper all Cuthona have been changed accept Cuthona nano which fits the description.

Blogie Robillo Ok, copy that!

Gary Cobb I'm sure you'll make the right decision Blogie:)

Blogie Robillo Of course, Gary! Take a look - http://www.projectnoah.org/spottings/12399037

Gary Cobb Thanks Blogie...same ole story. From the abstract to Miller's paper "Re-examination of the local Cuthona species led to a re-assessment of several other tergipedid genera based on the arrangement of the digestive ducts. As a result the genus Cuthona Alder and Hancock, 1855 is restricted to one species, C. nana (Alder and Hancock, 1842), and the genus Trinchesia von Ihering, 1879 re-introduced for the rest of the species previously included in Cuthona."

Erwin Koehler here is the only Cuthona http://www.medslugs.de/E/Atl-NE/Cuthona_nana.htm

Taxonomy
Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Nudibranchia (Order)
            Dexiarchia (Suborder)
              Aeolidida (Infraorder)
                Fionoidea (Superfamily)
                  Tergipedidae (Family)
                    Cuthona (Genus)
                      Cuthona yamasui (Species)
Associated Species