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Favorinus tsuruganus

Baba & Abe, 1964


Andy Chan Favorinus Tsuruganus - Seraya Secret Nikon D600 - Sea & Sea Housing, macro 105mm + achrom+16 Dual Sea & Sea YS D1 F 22. iso 100, speed 250

João Pedro Silva Excellent detail and separation. Minor correction: the "second name" in a species (specific epithet) is always in lower case.

Andy Chan Thanks everyone

Ron Silver Nice rhinophores!

Andy Chan Thanks Ron ;-)

Scubashooters Dot Net Nice overall nudi!!! :)

Andy Chan Thanks Marino :-)

Message posted on Scubashooters.net on 20 May 2013
Andrew Trevor-Jones Another odd one, also in Botany Bay, NSW, Australia. It looks a bit like Favorinus tsuruganus, but doesn't have the black tips on the cerata and the oral tentacles are not white (well, I can't even see them).

Andrew Trevor-Jones OK, I think I have found it: Madrella sanguinea Not sure why I missed it on my 3 or 4 passes through Debelius and Kuiter.

Kirstie Knowles Yep looks like Madrella sanguinea to me. Nice pic :)

Cédric Penti very nice

Tony Strazzari Favorinus tsuruganus - Canon Kiss4, Canon 60mm lens, Hugyfot housing, 2 x Sea and Sea strobes, f29, 1/125s, ISO 100

Ron Silver :-D

Message posted on Underwater Macro Photographers on 18 Nov 2013
Steve Smith Favorinus There are lots of these egg-eating nudis (Favorinus tsuruganus) at Nelson Bay at the moment - progressively eating their way through the spawn masses of other nudis and seahares. Today at Pipeline. Nikon D600, 105 mm +1 Dioptre, 2 x Inon D2000 1/200, f22, ISO 200

Grant Willetts Beautiful pic

Steve Smith Thanks Grant!

Bee Diver Relations wow

Grant Willetts The rhinopores are unusual on this species.

Steve Smith Thanks Bee Diver!

Steve Smith Yes they are Grant - didn't notice until I saw the image on the computer screen.

Suzan Meldonian frosted glass rhinos

Grant Willetts Maybe you can help - two weeks ago at fly pt at 21m on sand and broken shell I found a creature about 20cm in diameter, circular and relatively flat; It was dark red/brown - deep purple with occasional points on it similar to the devil horn studs people have on foreheads. Reminded me of a side gilled slug. Ideas?

Steve Smith Yep -a few around at the moment too. It's a species of side-gilled slug (Pleurobranch). Not sure without seeing it but probably Pleurobranchus hilli.

Grant Willetts Great thanks. I'll look that one up in my reference books. Its a bit time consuming without have a bit of an idea of where to start.

Grant Willetts Yep that's it alright. Cheers.

Goh Diving it's a beauty

Steve Smith Thanks Eric - not quite as nice as your recent one of the same species though!

Diana Schmitt Cool shot :)

Sharon M Elcamp-Uwp very nice !

Max Plank Nice one Steve!

Steve Smith Thanks Diana, Sharon, and Max!

Goh Diving Thank you Steve...I like yours better :)

Steve Smith Too kind Eric!

Cristina Zunino Beautiful photo sub. I love it ! <3

Steve Smith Thanks Cristina!

Erik K F Goossens the rhinos remind me of the 101 Tower in Taipeh !! Awesome shot Steve ! (y)

Erik K F Goossens 101 Tower Taipeh

Pat Gunderson Great angle and beautiful colors.

Filippo Subegoist fantastic

Message posted on Underwater Macro Photographers on 15 Nov 2013
Pat Gunderson Orange on Orange Favorinus tsuruganus Tullamben, Bali Nikon D7000, Subal ND70 Housing, 105 Micro Nikkor f 29, 1/125 sec, iso 160

Yutaka Takizawa Good Shoot

Message posted on UW photo - Fotosub on 23 Feb 2013
Andy Chan Favorinus Tsuruganus - Seraya Secret Nikon D600 - Sea & Sea Housing, macro 105mm + achrom+16 Dual Sea & Sea YS D1 F 22. iso 100, speed 250

Giorgio Cavallaro Uwp (Y)

Anna Nudi Burn So cute!! I shared this on my Nudilover Photography page, Andy. Hope you don't mind!

Andy Chan with pleasure Anna Nudi Burn

Raul Garciolo Cano Perfecta.

Message posted on UWphotographers on 20 May 2013
Tony Strazzari A nudibranch I saw this evening at Fly Point Port Stephens NSW in 15 metres. It was about 20mm long.

Jim Dodd I saw him at Pipeline on Sat too

Marli Wakeling Favorinus tsuruganus.

Albert Hartono Dear Nudibranchers, Need help to ID this little fella. Pura Segara, Bali, Indonesia. 3-4 mm, Depth 10-12m

Mario Smid Favorinus tsuruganus?

Albert Hartono Thanks Mario Smid for the ID. Try to Google it and it looks similar.

Gary Cobb ID correct!

Albert Hartono Thanks Gary Cobb

Gary Cobb Glad to help!

Andre Snoopy Montenegro 1.5cm at 18 meters philippines

Frank Wehner Cute! Nice shot Andre Snoopy Montenegro!!

Ruby Ann Balio not sure but looks like a Favorinus tsuruganus http://www.seaslugforum.net/find/favotsur

Andre Snoopy Montenegro thanks Frank!

Andre Snoopy Montenegro yes I think its a Favorinus tsuruganus after looking at ur link!

Malida Alcazar Found in Anilao, Philippines 25 meters, about .5cm

Gary Cobb This an egg eater called Favorinus tsuruganus

Imade Widana P.S dive with G12

Stuart Pearce Very nice shot :)

Ron Silver Ringed Favorinus, Favorinus tsuruganus (appears to have a parasitic infestation on right hand side)

Antonio Colacino Great shot :)

Imade Widana Thanks Stuart Pearce, Ron Ron Silver and Antonio.

Message posted on The Global Diving Community on 19 Oct 2013
Wayan Zedon dive with canon G12 @ tulamben bali

Ron Silver Ringed Favorinus, Favorinus tsuruganus

Message posted on The Global Diving Community on 28 Sep 2013
Erwin Koehler This one is from Anilao, Philippines, any idea ob the genus is welcome, it has the same color pattern as Placida cremoniana and or Favorinus tsuruganus, but is clearly none of them! HELP

Ajiex Dharma Looks like Favorinus tsuruganus.

Erwin Koehler This one has smooth black rhinophores with whitish tips, in F. tsuruganus have the black rhinophores three 'cup-shaped' or 'collar-like' swellings, this unknown beauty has black oral tentacles, in F. tsuruganus are they white.

Blogie Robillo Lovely!

Vishal Bhave There is third species with similar coloration Eubranchus mimmeticus but rhinophores doesn't have white tips. Looks like Favorinus tsuruganus.

Erwin Koehler I don't know the description of Eubranchus mimeticus, but all of the 13 pictures at http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=631 have a white median line between the rhinophores, and most specimens have white pigment at the cerata, often white longitudinal lines or white patches basally, the rhinophores seem to be often whitish basally with a black outer 2/3.

Gary Cobb This is Facelina sp. http://www.nudibranch.com.au/pages/IMG_a0588w.htm I have found it here on the Sunshine Coast.

Erwin Koehler YES this is the same species! thanks!

Gary Cobb You're quite welcome!

Vishal Bhave Dear Erwin Koehler if you have visited http://www.nudibranch.com.au/pages/IMG_a0588w.htm (Image 3-6) the species illustrated (IMG_a0588w) has median white line running between ceratal tufts. It has color variations from pale whitish (justlike those lines to pure Orange with blue tips and Rhinophores (with white tips) we have simmilar species here and http://www.nudipixel.net/photo/00024010/location/ it shows typical radula as seen in Eubranchus (at least in specimens from Ratnagiri).

Erwin Koehler I contacted Rie Nakano, she sent a pdf-file with the Text-fig. 3 from Baba 1975 with the drawing of the 3 mm holotype, it shows a broad white median band Baba: mw: median dorsal opaque white band, and longitudinal white lines on the ceras Baba: ws : longitudinal opaque white streaks. Rie Nakano writes:" I think Eubranchus mimeticus does not belong to genus Eubranchus. In the near future, it will be changed to another genus...I think."

Gary Cobb Lets not get too far off the track. The photos I submitted in an earlier thread are not Eubranchus mimeticus. Similar yes. This species has also been verified by Richard Wilan where the preserved specimen lays.

Vishal Bhave Thanks for the information :D

Erwin Koehler This one is from Anilao, Philippines, any idea ob the genus is welcome, it has the same color pattern as Placida cremoniana and or Favorinus tsuruganus, but is clearly none of them! HELP

Ajiex Dharma Looks like Favorinus tsuruganus.

Erwin Koehler This one has smooth black rhinophores with whitish tips, in F. tsuruganus have the black rhinophores three 'cup-shaped' or 'collar-like' swellings, this unknown beauty has black oral tentacles, in F. tsuruganus are they white.

Blogie Robillo Lovely!

Vishal Bhave There is third species with similar coloration Eubranchus mimmeticus but rhinophores doesn't have white tips. Looks like Favorinus tsuruganus.

Erwin Koehler I don't know the description of Eubranchus mimeticus, but all of the 13 pictures at http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=631 have a white median line between the rhinophores, and most specimens have white pigment at the cerata, often white longitudinal lines or white patches basally, the rhinophores seem to be often whitish basally with a black outer 2/3.

Gary Cobb This is Facelina sp. http://www.nudibranch.com.au/pages/IMG_a0588w.htm I have found it here on the Sunshine Coast.

Erwin Koehler YES this is the same species! thanks!

Gary Cobb You're quite welcome!

Vishal Bhave Dear Erwin Koehler if you have visited http://www.nudibranch.com.au/pages/IMG_a0588w.htm (Image 3-6) the species illustrated (IMG_a0588w) has median white line running between ceratal tufts. It has color variations from pale whitish (justlike those lines to pure Orange with blue tips and Rhinophores (with white tips) we have simmilar species here and http://www.nudipixel.net/photo/00024010/location/ it shows typical radula as seen in Eubranchus (at least in specimens from Ratnagiri).

Erwin Koehler I contacted Rie Nakano, she sent a pdf-file with the Text-fig. 3 from Baba 1975 with the drawing of the 3 mm holotype, it shows a broad white median band Baba: mw: median dorsal opaque white band, and longitudinal white lines on the ceras Baba: ws : longitudinal opaque white streaks. Rie Nakano writes:" I think Eubranchus mimeticus does not belong to genus Eubranchus. In the near future, it will be changed to another genus...I think."

Gary Cobb Lets not get too far off the track. The photos I submitted in an earlier thread are not Eubranchus mimeticus. Similar yes. This species has also been verified by Richard Wilan where the preserved specimen lays.

Vishal Bhave Thanks for the information :D

Franca Wermuth-Vezzoli Camiguin, Philippines. ca 4mm, 5 m. Is it Favorinus tsuruganus?

Gary Cobb YES!

Taxonomy
Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Nudibranchia (Order)
            Dexiarchia (Suborder)
              Aeolidida (Infraorder)
                Aeolidioidea (Superfamily)
                  Facelinidae (Family)
                    Favorinus (Genus)
                      Favorinus tsuruganus (Species)
Associated Species