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Black Blennie Bully?


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  1. #1
    dlhirst - Reefkeeper
    Join Date
    Nov 2009
    Location
    Detroit MI
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    705
    First Name
    Don

    Default Black Blennie Bully?

    I have had a maxima clam since MACNA was in Des Moines. Approaching two years? I have had a black blennie for perhaps a year longer. Never a problem until now. I have been worried about water chemistry recently cuz the clam has been basically withdrawn for the last ten days. During that time I also had a false alarm with a clownfish. A couple days ago, I noticed the blennie was trying to nip at the clam's mantle.

    I have since removed the offending fish.

    Any guess why the blennie went rogue? I love that little false eel, and hate to see him moved to the office tank. But yes, I love the clam even more.

    Thoughts? Suggestions?

  2. #2
    demonclownfish - Reefkeeper CR Member
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    Join Date
    Dec 2009
    Location
    ortonville
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    Default

    I had a hippo tang go nuts and eat 3 of my clams before i found out it was the one doing it. Fish are insane.

  3. #3
    dlhirst - Reefkeeper
    Join Date
    Nov 2009
    Location
    Detroit MI
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    705
    First Name
    Don

    Default

    Just a follow up...

    My clam is back to nearly full display of the mantle. I don't see any issues with it having been nibbled on or any other damage to the mantle. Hopefully, that will be a one time story.

    Unfortunately, the ending wasn't as happy for the blennie. I put him in a 34 gallon tank with just two other fish in it - a Clarkii clown with no aggressive history, and a blue/yellow damsel that was once bullied itself. I don't know who was the aggressor, but the blennie was clearly the loser.

  4. #4
    thepanfish - Reefkeeper CR Member
    Join Date
    Jul 2011
    Location
    SE Michigan
    Posts
    531

    Default

    Blennies will often sit on clam mantles in the wild and I cannot see this behaviour as anything other that natural. The clam could also have some residual algal film on its mantle, prompting the blenny to become interested.

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