Purple Octopus - using citizen science to discover marine interactions
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Doto pinnatifida

(Montagu, 1804)

Kirstie Harris Found this chap on a site in Pembrokeshire over the weekend. Can anyone tell me what it is? Thanks.

João Pedro Silva Really need some more detail, but I think there are only 3 possibilities * in your area: Doto fragilis, Doto pinnatifida and Lomanotus marmoratus. My guess is D. pinnatifida. * feeding on Nemertesia antennina

Kirstie Harris Thanks! My husband took some photos too, so he might have a better one. If he has, I'll ask him to post it.

Terry Griffiths I would go for D. pinnatifida

Klas Malmberg Aquatilis D. pinnatifida - black tipped tubercles both on cerata and on the sides of the body

João Pedro Silva After downloading and enhancing the image, no doubt on my first guess.

Kirstie Harris Thanks for your help, everyone.

Message posted on NE Atlantic Nudibranchs on 15 Jul 2013
Carlos Fernández-Cid Ramos Doto pinnatifida

Carlos Fernández-Cid Ramos Ría de Vigo.Galicia. Spain

Message posted on NE Atlantic Nudibranchs on 21 Oct 2012
João Pedro Silva Loads of Nemertesia antennina... and a single solitary and, yes, alone Doto pinnatifida.

Message posted on NE Atlantic Nudibranchs on 22 May 2012
João Pedro Silva Doto pinnatifida Local: Arrábida, Portugal Spot: Arflor Profundidade: 12m Data: 20-05-2012

Message posted on Nudibranquios on 30 Aug 2013
João Pedro Silva Doto are really hard to spot and sometimes even harder to identify. It's very important to also document the hydroid they're on. This Doto pinnatifida feeds exclusively on Nemertesia antennina. It cand be mistaken for Doto tuberculata but the later feeds on Sertularella gayi.

Message posted on NUDIBRANCH LOVERS on 28 May 2012
Bjørnar Nygård João Pedro Silva, the nudibranch in question might have been on the hydroid Kirchenpaueria pinnata, but I'm not sure.

João Pedro Silva Doto dunnei, I think.

Bjørnar Nygård Ok, thanks. I've collected the specimen and will send it to Jussi Evertsen.

Carissa Shipman So kool! Completely new!

Bernard Picton The shape of the tubercles is different to D. dunnei in my opinion. Trouble is the hydroid taxonomy isn't robust either plus some hydroids certainly support more than one species of Doto. Nemertesia species are particularly interesting, with Doto fragilis eating two species of Nemertesia, Doto pinnatifida one of these and Doto cuspidata the other.

Message posted on NE Atlantic Nudibranchs on 26 May 2013
Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Nudibranchia (Order)
            Dexiarchia (Suborder)
               Dexiarchia (Infraorder)
                Dotidae (Family)
                  Doto (Genus)
                    Doto pinnatifida (Species)
Associated Species