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Mystery fish from Costa Rica

Discussion in 'Name that Critter' started by Tjack, May 27, 2009.

  1. Tjack

    Tjack Solo Diver

    # of Dives: 500 - 999
    Location: Taos, New Mexico and Georgian Bay, Ontario
    990
    186
    43
    Ever find fish in your photos you dont recall seeing during the dive? This one is a real stumper, less than 1" long, photographed off Cano Island, Pacific Coast of Costa Rica.
     

    Attached Files:

  2. donnyb

    donnyb Solo Diver

    # of Dives:
    Location: Olympia, WA
    293
    1
    18
    Looks like a type of sculpin to me. I would start my search with that group.
     
  3. HerraduraDivers

    HerraduraDivers Dive Resort

    # of Dives:
    Location: Herradura - Jaco, Costa Rica and Orosei - Sardinia
    570
    7
    0
    Hmm,
    yes maybe a Grunt Sculpin: Grunt Sculpin

    But he has some Barbels and this may be a hint that he comes from the Blennidae or Mullidae Family.

    The foto taken from the front don't makes it easy to identify this fish.

    Actually i and my Instructors don't have any idea of what kind of fish it is and we think that we never see him here.
    This don't mean that it don't exist here, but usually we look for big(er) fishes because our customers request to see them.

    Chris
     
  4. Tjack

    Tjack Solo Diver

    # of Dives: 500 - 999
    Location: Taos, New Mexico and Georgian Bay, Ontario
    990
    186
    43
    I am thinking Blennidae as well due to its size under 1" and eye rings. Definitely Sculpin-like though. And, yes, this was photographed at Cano Island, Costa Rica. It's coloration and location might indicate some relation with algie habitats?
     
  5. donnyb

    donnyb Solo Diver

    # of Dives:
    Location: Olympia, WA
    293
    1
    18
  6. Tjack

    Tjack Solo Diver

    # of Dives: 500 - 999
    Location: Taos, New Mexico and Georgian Bay, Ontario
    990
    186
    43
    Yes I can see the strong resemblance, not sure if the whiskers on the mystery fish are part of it or the bottom. I'm starting to lean more towards a sculpin, new species?
     
  7. HerraduraDivers

    HerraduraDivers Dive Resort

    # of Dives:
    Location: Herradura - Jaco, Costa Rica and Orosei - Sardinia
    570
    7
    0
    Hmm,
    the long-finned sculpin found by donnyb seems to be identical,
    but the wiskers look like real wiskers and not somthing on the rock.
    The difference between the Sculpins and the Mistery Fish are the wiskers,
    the pattern on his mouth and that it seems that Sculpins like cold waters
    and their distribution stops on northern Mexico.

    Chris
     
    Last edited: May 31, 2009
  8. HerraduraDivers

    HerraduraDivers Dive Resort

    # of Dives:
    Location: Herradura - Jaco, Costa Rica and Orosei - Sardinia
    570
    7
    0
    I think i got it:

    Black Wrasse or scientific Halichoeres adustus

    Discover Life - Labridae: Halichoeres adustus (Gilbert, 1890) - Black Wrasse
    Halichoeres adustus (Gilbert, 1890) - Encyclopedia of Life (look at the the right photo on the upper line)

    I found it in the Book "Peces de la Isla del Coco" with a nice Photo from it:
    http://www.scubaboard.com/gallery/showgallery.php?cat=4030
    The Book says: Distribution: Revillagigedo, Caño and Cocos Island.

    Look also here: http://www.ots.ac.cr/tropiweb/attachments/suppls/sup53-2 Peces Isla del Coco/Guia ilustrada.pdf
    There are only illustrations, but it's very informative.

    Best regards

    Chris
     
  9. donnyb

    donnyb Solo Diver

    # of Dives:
    Location: Olympia, WA
    293
    1
    18
    All due respect Chris, but I don't see the match. The pectoral fins alone do not match. I think we should keep looking.
     
  10. Tjack

    Tjack Solo Diver

    # of Dives: 500 - 999
    Location: Taos, New Mexico and Georgian Bay, Ontario
    990
    186
    43
    The facial shape and spotting are similar but I have never seen a wrasse sitting on the bottom like this. Great link to the "Peces de la Isla del Coco" book Chris, thanks. This fish was tiny, hiding in the background, Kelp Sculpin?
     

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