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A reader from the UK sent me these lovely photos that he took of a jellyfish and asked for my help in identifying it. Unfortunately, while I’m pretty good with bacteria, plants, and tropical fish, my taxonomy skills don’t go much farther unless I have a sample of DNA.

These photos were taken at La-Manga off the coast of southern Spain.

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My Sciblings have guessed: Rhizostoma, Stomolophus meleagris, or Mastigas

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If you know, we’d all appreciate an answer in the comments.

And if you don’t know about much jellyfish, RPM at evolgen would like your help answering a different reader’s question: When a manatee swims, does it get water up its up nose?

Comments

  1. #1 Dave S.
    September 13, 2007

    I’d have to go with Rhizostoma pulmo. The look and the location are right. There’s also a similar beastie that hangs around the UK called Rhizostoma octopus.

  2. #2 Ben
    September 13, 2007

    Oh, that’s Steve. We met while I was diving a few years back…he’s a cool dude.

  3. #3 Marco Ferrari
    September 13, 2007

    Definitely a Rhizostoma pulmo. Mediterranean and maybe Atlantic. Good picture on flickr:
    http://www.flickr.com/photos/arne/198961001/.
    It’s armless, you can touch it and swim with it.

  4. #4 Sandra Porter
    September 13, 2007

    The flicker shot is great! It definitely looks like the same kind of creature.

  5. #5 caterina
    June 16, 2010

    rhizostoma pulmo

  6. #6 jeff ash
    May 30, 2011

    Thats definately the one that sung me in the Mar Menor,La Manga !!

    I swam into it whilst snorkling just INSIDE the safety nets (yeh right!) and I thought I’d swam into a plastic bag until my face HURT !!

    I swam to shore quicker than Phelps !!

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