Sea pen??

Discussion in 'General Discussions and Advice' started by Mc, 19 Nov 2011.

  1. Mc

    Mc

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    Hi All

    I wasn't sure where to post this. Has anyone ever kept a sea pen (Cavernularia obesa) and how did it go? Before today I had never even heard of them but I found one at my LFS today.
     
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  3. belindamotion

    belindamotion Google Master

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    Last edited: 19 Nov 2011
  4. Mc

    Mc Thread Starter

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    Thanks Belinda.
     
  5. belindamotion

    belindamotion Google Master

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    Sorry I couldn't be of more help...:blush: Steven is the only one I saw on that Thread that said he has them...or had them...:blush: Very few mentions of Sea Pen on MASA...:(
     
  6. Helga

    Helga

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    Mc,
    I purchased a Sea pen (Cavernularie Obesa) from Exotoc Aquarium in Boksburg about a year ago. I admit, new nothing about this incredible creature before I bought it. Was one of those very uninformed wrong decisions. After I bought it I read up about it. Found it needs substrate to burrow into of at least 20 - 30cm. Had to put it into my refugium that thankfully has a deep sandbed. According to all the writeups it has an extremely dismal survival rate.
    They grow to about 45cm. Much of this is hidden insoft substrates. The polyp bearing crown only measures around 25 - 30 cm. It does not contain photosynthetic symbionts. Requires regular feeding with variety of zooplankton substitutes or copepods or brineshrimp.
    Mine disappeared right into the sand at night, and appeared again in the morning. Beautiful specimen. But after reading of the survival rate I donated it to a Public
    Aquarium where they have a colony of them and know how to look after it.

    Hope this helps with your decision whether or not to buy one.
     
    crispin and seank like this.
  7. seank

    seank

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    @Helga thank you, good post and valuable info
     
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