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View Diary: Seabirds and Sea Turtles - A Photo Diary (55 comments)

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  •  Another colorful wrasse (4+ / 0-)


    Christmas wrasse (my collection)

    Yellowtail coris are fun to play with under water.  If you lift a rock up, they will swim over to investigate.  They naturally feed by turning over rocks to get at the little organisms underneath.

    This is similar behavior to the aptly named "rockmover" wrasse.

    Interestingly, the juvenile rockmover (pictured above) loses the plumes on its head as it matures.  Many wrasses have different juvenile forms from adult, and different initial or female forms from terminal or male forms.  They also will under certain conditions switch sex (thus "initial" and "terminal").

    The yellowtail Coris pictured above looks nothing like the juvenile form:

    Sometimes when diving you can see individuals that are partway through a change, or sometimes even hybridized between species.

    Is what was true now no longer so? --Joe Strummer and the Mescaleros, Johnny Appleseed

    by Sylvester McMonkey Mcbean on Tue May 05, 2009 at 06:28:13 AM PDT

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    •  Beautiful shots! (1+ / 0-)
      Recommended by:
      Purple Priestess

      You said these are from your collection. Did you take these?

      "Ignorance more frequently begets confidence than does knowledge" Darwin

      by Haole in Hawaii on Tue May 05, 2009 at 07:45:31 AM PDT

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    •  Wow! (0+ / 0-)

      Much better shot of a Christmas wrasse than I've ever been able to get.

      I knew about Rockmovers and have watched them forage a lot. But I didn't know about playing with the YT Corys. Now I can't wait to go again.

      Did you know that they used to think that the juvenile and adult YT Corys were different species? Can't blame them, really.

      Gosh I just LOVE the fishies!!!

      As long as prejudice exists in this country - in this world - we are all its victims. ~~ Keith Olbermann

      by Purple Priestess on Tue May 05, 2009 at 07:02:15 PM PDT

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      •  My secret? (0+ / 0-)

        A shore fisherman hooked it and asked if I knew what it was.

        It was in about 3" of water in a tide pool in full sun.

        You can see the fishing line if you look in the lower part of the picture.

        Is what was true now no longer so? --Joe Strummer and the Mescaleros, Johnny Appleseed

        by Sylvester McMonkey Mcbean on Tue May 05, 2009 at 09:10:58 PM PDT

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