Purple Octopus - using citizen science to discover marine interactions
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Syphonota geographica

(A. Adams & Reeve, 1850)

Beth Barklage Watson Sea Hare...Komodo, Indonesia

Ron Silver Syphonota geographica

Yuping Chen Look those eyes, so cute.

Russell Gilbert Fantastic find

Greg Kearney Awsome!!!

Deb Wiles Very cool!

Kimberly M. Porter It was very cool until someone wrote righ in the middle of the photo.

Ron Silver That's the photogrpher's copyright mark. While somewhat annoying, it is an attempt to prevent the stealing of the photograph which has become a real problem on social media. :-(

Allison Louden Manis Great shot of a very cool creature!

Marylin Batt Very nice shot the contrast is great.

Message posted on Scubashooters.net on 11 Oct 2013
Jesus Alvarez

Ron Silver Geographic sea hare, Syphonota geographica

Message posted on Scubashooters.net on 22 Jul 2013
Loren Mariani How cute is this creature Canon 550 f8 1/60 iso100 as shot

Deb Aston Syphnota geographica (seahare) just love the eyes.

Loren Mariani he was tangled in fishing line so i helped him out

Patrik Good Almost, Deb Aston. You seem to be really determined to spread your way of spelling. It's a Syphonota geographica. Think of Syphon. Well, it doesn't matter. It's a nice critter, nicely caught, Loren.

Wayne Lam Thought it was a manatee for a moment, haha!

Ken Thongpila Wow! I haven't seen this one more than 4 years Loren, Usually found them in Nelson Bay too. Nice shot btw...

Loren Mariani forgot to mention i found this one in the gold coast broadwater.

Patrik Good Then I bet the picture was taken before (or shortly after) 22/1/2012, Loren Mariani. We used to see them on every night dive but they seem to have gone with the rain, the freshwater and the silt in the last couple of weeks.

Loren Mariani your right Patrik Good taken last year, ive only ever seen before a while back

Patrik Good Thanks, Loren. In my experience, the challenge with taking face shots of this critter is that they can be quite fast and they often run away from the light. Normally that is into the current on sandy grounds which makes it easy to stir up sand that might affect the photo.

Message posted on Underwater Macro Photographers on 04 Mar 2012
Patrik Good Hope this is interesting to some too: The walk of the Sea hares. What I think are an Aplysia parvula (about 50mm) and two mating pairs of Syphonota geographica (about 200mm).

Patrik Good Sorry guys, it is obviously not a Aplysia parvula but a Aplysia sydneyensis. The good news: it is a new species for my dive site.

Patrik Good Actually, what about this species in South East Queensland? Can't find it on www.nudibranch.com.au. Is that a temperate species, like the reference to Sydney suggests?

Gary Cobb Yes it is a temperate species and will probably never be found here!

Patrik Good A sea hare but is it really a Syphonota geographica, maybe a juvenile one? 12/10/2011, Southport Seaway, ca. 20mm.

Patrik Good Nightdive Southport Seaway 9/1/2011: Hypselodoris obscura run over by a moray eel. We used to see dozens of H. obscura, now there were only a few around. I stopped counting Chromodoris daphne/C. verrieri's (50+) and Ceratosoma tenue's (20+).

Roy Arthur David Lontoh Did you video this moment as well?

Patrik Good Now that you are asking, that would have been a good idea. Was too busy and am too used to morays. Found 19 or 20 different nudi species that dive - hopefully one or two new one's for this dive site. This night I only got videos of a Aplysia parvulla and Syphonota geographica (piggyback) and the most cryptic animal ever.

Ryan Pearson Hey all, I'm new to this... thought you all could probably ID a few of these faster than I could :P

Gary Cobb I can't comment on the photos (Doh!) so here I go again....pic 1 and 10 Chromodoris verrieri (Cross, 1875), Pic 3 and 7 and 8 Pleurobranchus peronii Cuvier, 1804, pic 11 correct, pic 15 Syphonota geographica (Adams & Reeve, 1850), pic 16 Chromodoris cf. reticulata or as some say Chromodoris tinctoria but that species has white gills, pic 17 Hydatina physics (Linnaeus, 1758)

Ryan Pearson Wow, thanks Gary! :)

Gary Cobb My pleasure! Happy branching

Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Anaspidea (Order)
            Aplysioidea (Superfamily)
              Aplysiidae (Family)
                Syphonota (Genus)
                  Syphonota geographica (Species)
Associated Species