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Purple-edged Ceratosoma Nudibranch  Anilao,Ceratosoma trilobatum,Geotagged,Nudibranch,Philippines,Winter Click/tap to enlarge Species introCountry intro

    comments (3)

  1. Could you check if this is Ceratosoma trilobatum instead of tenue? in the Reef Creature Identification for Tropical Pacific from Paul Humann it says that for C. trilobatum the pair of lateral body lobes adjacent to gill and third tall lobe behind are joined by a ridge to the head that is outlined with a solid purple line whereas for C. tenue there is no sharp mantle edge between head and wing-like lobes. Yours has this very apparent continuous purple rim and the third wing behind the gill is quite apparent.
    I think you have the species description reversed. By the way it is Ceratosoma trilobatum and not tribolatum.
    See also here:
    http://www.seaslugforum.net/find/ceratril
    See here what they say on the mantle rim:
    http://www.seaslugforum.net/find/ceratenu
    Posted 7 years ago, modified 7 years ago
    1. So I have temporarily removed the species ID from your spotting but if you still feel strongly that is Ceratosoma tenue you can always add it back. Posted 7 years ago, modified 7 years ago
      1. Thanks Marta for pointing to the correct ID. Posted 7 years ago

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"Ceratosoma trilobatum" is a species of colorful dorid nudibranch, a sea slug, a shell-less marine gastropod mollusk in the family Chromodorididae.

Similar species: Sea Slugs
Species identified by Albert Kang
View Albert Kang's profile

By Albert Kang

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Uploaded Sep 12, 2016. Captured Feb 26, 2015 12:25 in Mabini Circumferential Rd, Mabini, Batangas, Philippines.
  • DSC-RX100
  • f/10.0
  • 1/100s
  • ISO100
  • 37.1mm