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Hypselodoris jacksoni

N.G. Wilson & Willan, 2007

Topher Fletcher todays nudibranch. ontop of the pipe at goldcoast seaway. any ideas on a name?

Gary Cobb This is Hypselodoris jacksoni

Topher Fletcher thanks gary

Andrew Wingate Cool Island ,NSW,Oz. took at 10 mtrs depth and approx 25 mm long

Gary Cobb This is Hypselodoris jacksoni

Gary Cobb My pleasure!

Andrew Wingate

Gary Cobb The all time classic Nudibranch Hypselodoris jacksoni!

Gary Cobb Hey Andrew please include location and size when putting up new messages OK?!

Andrew Wingate Thanks for that , forgot to mention was took at Cook Island ,NSW, at a depth of 10 Mtrs

Gary Cobb Thank you!

Gary Cobb 26 species found at Northwest Reef OWI, 08-04-2013, rainy overcast some sun day, surge, 4m vis, 24C water temp. 1st dive/2nd dive. *most species found this outing Aeolidiella alba /2 Ardeadoris aff. averni /1 Bornella anguilla /1 Chromodoris splendida (AU) 1/4 Dermatobranchus cf. primus 1 Dermatobranchus rodmani /1 *Doriprismatica atromarginata 5/5 Flabellina bicolor 1 Glossodoris vespa (AU) 2 Goniobranchus albonares /1 Goniobranchus cf. reticulatus /1 Halgerda albocristata 1 Halgerda aurantiomaculata /1 Halgerda cf. willeyi 1 Hypselodoris jacksoni /3 Hypselodoris obscura (AU) 2/1 Hypselodoris tryoni Phestilla sp. 1 Phyllidia elegans /2 Phyllidiella lizae 1/4 Phyllidiella pustulosa 1/1 Platydoris formosa 1 Protaeolidiella juliae /3 Thuridilla splendens 1 Trinchesia ornata 1 Tritoniopsis alba 1/2

Gary Cobb Species list from our 2 dives 29-03-2013 23 Species found at Ridges, Caloundra. Perfect no wind surface conditions, a bit a swell running, some surge, 26C water temp, 5m viz. 1st dive/2nd dive. *most species found this outing. Chromodoris splendida (AU) /4 Dermatobranchus cf. primus 1/1 Dermatobranchus ornatus 3/4 Doriprismatica atromarginata 1/1 Doto sp.1 /4 Flabellina rubrolineata 1/1 Glossodoris vespa (AU) 1/1 Hexabranchus sanguineus /1 Hypselodoris aff. maculosa 1 Hypselodoris jacksoni 3/2 *Hypselodoris obscura (AU) 6/6 Hypselodoris sagamiensis 1 Hypselodoris tryoni 2 Phyllidia coelestis 1 Phyllidia ocellata 1/1 Phyllidia varicosa 3 Phyllidiella lizae 2 Phyllidiella pustulosa 2 Phyllodesmium magnum 1/1 Pleurobranchus peronii /1 Pteraeolidia ianthina 1 Sagaminopteron ornatum 1/2 Trinchesia sibogae 5/3

Brian Sellick Can anyone help with this one. Sodwana Bay - South Africa, East Coast 35mm

Bruce Potter I don't know what it is, but it is spectacular

Gary Cobb This beauty looks just like Hypselodoris regina Marcus & Marcus, 1970

Brian Sellick Does anyone know what this one is? I'm going mad trying to figure it out.

Dewald Swanepoel Like Gary says above, it's a Hypselodoris regina

Brian Sellick Ok

Brian Sellick Sorry but I have to disagree, I'm gone through the SSF and all of those pictures are of slugs with stripes, this one doesn't have stripes.

Bruce Potter On page 165 of "Undersea Jewels" by Cobb and Willan there is a similar looking one identified as Hypselodoris sp.1

David A Mullins Go to the Sea Slug Forum Message 12225. Here you will see how the pattern can change across individuals. Look at the side of the body under the mantle in the top pic. You will see the same pattern there as on the tail and body of the specimen in your photo. Colours and patterns are not absolutely fixed in a species. Lines can become dashes, lines can cross over and form reticulations. Lines can disappear. This species is not well known so we are not aware of the full range of its presentation. I think Gary has made a good call here. The Hypselodoris sp. 1 in "Undersea Jewels" has since been named Hypselodoris jacksoni Wilson & Willan 2007. It is not that species.

Brian Sellick Ok cool. Thank you to everyone for their input. I really do appreciate it.

Patrik Good Generation X. Thought I'll share this one too. Gold Coast Seaway; 9/10/2012; 14:01 hrs; Austraeolis ornata; size 30mm; depth 2 metres; 20 degrees water temperature; 2 metres visibility; this was the first branch species for the day. Lots of Hypselodoris obscura, beautiful Dendrodoris denisoni, including a juvenile, a few Mexichromis mariei, Ceratosoma tenue, various Goniobranchus and bubble shells, Siraius nucleola, Hypselodoris jacksoni (exciting), and a tiny Goniodoridella savignyi (new record for me and possibly the dive site).

Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Nudibranchia (Order)
            Euctenidiacea (Suborder)
              Doridacea (Infraorder)
                Doridoidea (Superfamily)
                  Chromodorididae (Family)
                    Hypselodoris (Genus)
                      Hypselodoris jacksoni (Species)
Associated Species