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Philine aperta

(Linnaeus, 1767)

Justin Evans Is anyone able to help ID this please? About 3cm long and photographed by another diver on the Landing Craft (8-10m depth) in Bracklesham Bay, West Sussex last weekend.

Marco Faasse Looks a bit like a Philine ...

Erling Svensen Philine aperta, I think. Early spring we can have thousends in some locations.

Justin Evans Many thanks. I'll pass the ID back to the person who took the photo.

Message posted on Seasearch Identifications on 24 May 2012
Tamsyn MAnn Does anyone know what these are? I found them July last year... Not even sure they are a nudibranch to be honest...

David Kipling habitat and the shape I can (partially) see suggests Philine aperta. Not a true nudi but still an opisthobranch mollusc. http://www.marlin.ac.uk/speciesfullreview.php?speciesID=4093#

Tamsyn MAnn Are they quite common around Devon, SW England? I've only ever seen them the once...

David Kipling There's a good scattering of UK records on NBN gateway so yes, it does look relatively common. It likes the sort of silty habitat you might not usually choose to dive on, though. http://data.nbn.org.uk/gridMap/gridMap.jsp?allDs=1&srchSpKey=NBNSYS0000177128

Tamsyn MAnn I've just had a look on the MarLIN site and can work it out for myself!! Thanks!

João Pedro Silva Philine quadripartita. Here's the note on P. aperta vs P. quadripartita at WoRMS: "Philine aperta and P. quadripartita have long been treated as synonyms. However, according to Price et al. (2011), based on anatomy, there are two distinct species, the first one in South Africa and Mozambique, the second one in European seas." [Price R.M., Gosliner T.M. & Valdés A. (2011) Systematics and phylogeny of Philine (Gastropoda: Opisthobranchia), with emphasis on the Philine aperta species complex. The Veliger 51(2): 1-58.] http://www.marinespecies.org/aphia.php?p=taxdetails&id=574582

Tamsyn MAnn Thank you!

Tony Gilbert We found huge aggreagations of these in Loch Cheannin on West Lewis, which is a very dusty loch. Its interesting to see this in the Plymouth.

Tamsyn MAnn I saw it in Babbacombe, Torquay actually...

Message posted on NE Atlantic Nudibranchs on 07 Jun 2012
Ana Lama A ver si esté lo tienes, ji ji ji

João Pedro Silva Penso que seja Philinopsis miqueli.

Ana Lama Yo la tengo como philine aperta

Betty Nel Blu Penso sia Melanochlamys algirae

Betty Nel Blu http://www.marinespecies.org/aphia.php?p=taxdetails&id=370355

Ana Lama http://www.asturnatura.com/especie/philine-aperta.html

Ana Lama Es como la que dice Joao , son idénticas

João Pedro Silva Philine aperta só existe no sul de África. A espécie do norte do Atlântico (incluindo Mediterrâneo) é Philine quadripartita. Mesmo assim, estou mais convencido que seja Philinopsis miqueli.

Ana Lama Este es del Mediterráneo

David Serrano Es un nudi??

João Pedro Silva É um opistobrânquio mas não um nudibrânquio: pertence à ordem Cephalaspidea.

Manuel Martínez Chacón Pues tampoco lo tengo, Ana Lama

Message posted on Nudibranquios on 17 Nov 2013
Animalia (Kingdom)
  Mollusca (Phylum)
    Gastropoda (Class)
      Heterobranchia (Subclass)
        Opisthobranchia (Infraclass)
          Cephalaspidea (Order)
            Philinoidea (Superfamily)
              Philinidae (Family)
                Philine (Genus)
                  Philine aperta (Species)
Associated Species