Clam? Oyster?

Discussion in 'ID This!' started by dixiedog, Feb 15, 2009.

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  1. dixiedog

    dixiedog Coral Banded Shrimp

    Joined:
    Jan 13, 2009
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    Location:
    Gainesville, FL
    I got some sand from the LFS to seed my substrate, and this was in it.

    Any ideas? It's about 3/4" overall.



    [​IMG]
     
    dixiedog, Feb 15, 2009
    dixiedog, Feb 15, 2009
    #1

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  2. LCP136

    LCP136 Sailfin Tang

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    Looks like a clam to me. I wouldn't expect it to live too long, but you never do know.
     
    LCP136, Feb 15, 2009
    LCP136, Feb 15, 2009
    #2
  3. GuitarMan89

    GuitarMan89 Giant Squid

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    Location:
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    I would say clam or scallop.
     
    GuitarMan89, Feb 15, 2009
    GuitarMan89, Feb 15, 2009
    #3
  4. ComputerJohn

    ComputerJohn Panda Puffer

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    Location:
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    Def not an oyster. Possible clam or scallop..

     
    ComputerJohn, Feb 15, 2009
    ComputerJohn, Feb 15, 2009
    #4
  5. trelane

    trelane Peppermint Shrimp

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    looks like a small scallop to me.
     
    trelane, Feb 15, 2009
    trelane, Feb 15, 2009
    #5
  6. dixiedog

    dixiedog Coral Banded Shrimp

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    Location:
    Gainesville, FL
    Last night it extended a "foot", and seemed to feel around on the substrate. If I'm not mistaken, I think that will make it a clam of some kind.

    [​IMG]



    I hope if it does die, I notice quickly before it fouls the tank.
     
    dixiedog, Feb 16, 2009
    dixiedog, Feb 16, 2009
    #6

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  7. {Nano}Reefer

    {Nano}Reefer Dragon Wrasse

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    looks like a "cleaner" clam, very common on live rock, but live sand is a new one to me. No reason to fear it's death, they are very hardy and can live while the tanks cycling.
     
    {Nano}Reefer, Feb 17, 2009
    {Nano}Reefer, Feb 17, 2009
    #7
  8. pagojoe

    pagojoe Corkscrew Tentacle Anemone

    Joined:
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    Location:
    Conroe, Texas
    It's an Ark Clam, either an Acar species or a Barbatia species, I think. The most common hitchhiker that's similar to yours is Acar plicata. I can't tell for sure from the pic, but it looks like the sculpture on yours is finer than is typical for A. plicata, and isn't as distinctly cancellated. It may be Barbatia sculpturata, but you can compare for yourself here:

    Conchology, Inc - Search Species Gallery - ARCIDAE

    Cheers,



    Don
     
    pagojoe, Feb 18, 2009
    pagojoe, Feb 18, 2009
    #8