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G. maginatus I don't know the name or specie of this. Found this on the beach shore.  Blue Glaucus,Geotagged,Glaucus atlanticus,Sri Lanka,Winter Click/tap to enlarge Country intro

G. maginatus

I don't know the name or specie of this. Found this on the beach shore.

    comments (13)

  1. looks fascinating! no idea what it is though! Posted 9 years ago
    1. Me too
      Posted 9 years ago
  2. This is a sea slug from the genus Glaucus.
    https://en.wikipedia.org/wiki/Glaucus_%28gastropod%29
    Posted 9 years ago
    1. Thanks Wildflower to identify the genus :) Posted 9 years ago
    2. G. maginatus as found in the Indian Ocean??? Posted 9 years ago
      1. yes i found it on the shore of Indian ocean Posted 9 years ago
  3. Amazing find, I believe I have seen it before on some kind of "weird animals" list. Please take wildflower's clue and try to match it with an exact species, would be very valuable if you do so. Posted 9 years ago
    1. Hi may i know how to take Wildflower Clue ?? because i am new to here and i don't know how to try that Posted 9 years ago
      1. I think Ferdy means take a look at the link that Wildflower posted. There are five species of Glaucus but as yours was found in the Indian Ocean then that narrows it down to just one Glaucus marginatus. Lets see if Wildflower agrees :) Posted 9 years ago, modified 9 years ago
        1. Yes, I found it on the bank of indian ocean. Let see :) Posted 9 years ago
        2. If you read more of the description you will see that Glaucus atlanticus also occurs throughout the Indo-Pacific as well as in the Atlantic Ocean. Maybe this is Glaucus atlanticus because it has a longer tail, but I am not sure. Do you know how long it is?
          http://www.theskepticsguide.org/weird-wildlife-wednesday-glaucus-atlanticus
          http://www.projectnoah.org/spottings/709626004
          Posted 9 years ago, modified 9 years ago
          1. It is nearly one inch in size .. Posted 9 years ago
            1. That corresponds to the size of Glaucus atlanticus. Glaucus marginatus is about half that size. Posted 9 years ago

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Glaucus atlanticus (commonly known as the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug and blue ocean slug) is a species of small-sized blue sea slug, a pelagic aeolid nudibranch, gastropod mollusk in the family Glaucidae. It is closely related to Glaucus marginatus, which is sometimes included in Glaucus.

Similar species: Sea Slugs
Species identified by WildFlower
View Sivarathan Sivarajah's profile

By Sivarathan Sivarajah

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Uploaded Dec 26, 2015. Captured Dec 25, 2015 14:31 in AB21, Kankesanturai, Sri Lanka.
  • NIKON D3200
  • f/7.1
  • 10/4000s
  • ISO100
  • 55mm