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  1. #1
    Member Dozerman's Avatar
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    Jan 2004
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    Sponge/clam dilemma...

    OK here's the situation, bought a cool red sponge a week or so ago. It's growing on a clam shell. just realized today the clam is still in the shell. I didnt notice this until i tried to move it only to see the rock it was sitting on lift with it, the clam has anchored its foot to the rock, and the sponge moved slightly when i tried to move it. Now as the sponge has grown entirely over the clam it cant open very far, but it has obviously survived long enough for the sponge to grow this far. I am wondering if I should bisect the sponge along the line of the shell to try to save both or just leave them alone. Anything i have read suggests that cutting a sponge is fine, but other opinions would be welcome.

    Here's a pic
    Attached Thumbnails Attached Thumbnails Sponge/clam dilemma...-sponge-clam-004a.jpg  
    120 gal reef-90 gal sump/refuge
    120 gal planted tropical
    120 gal planted catfish/arrowana tank

  2. #2
    Former Moderator a4twenty's Avatar
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    Nov 2006
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    if it were me i would slit the sponge to try and keep the bivalve alive, this is more common than you would think.
    `

    120S RR tank with 60G basement sump / fuge

    Return Pump: Little Giant 4-MDQX SC
    Water Movement: MP40W, Seio 1500, (2) Hydor K4's
    Lighting: 400W SE MH with 10K Venture
    Skimmer: Euro-Reef RS250 with gate valve
    Other: RODI, RDSB, PO4/AC reactor


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  3. #3
    Member Dozerman's Avatar
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    Jan 2004
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    Well I've been watching it closely for a few days and I think I'm going to leave it alone for now. The clam is able to open a little more than 1/4" and the sponge didn't get that big overnight so it's been surviving this long. I don't want to cause the death of either but I did buy the bright red sponge and inherited the ugly clam with it ;P So I pick sponge But hopefully they will both continue on as they are.
    120 gal reef-90 gal sump/refuge
    120 gal planted tropical
    120 gal planted catfish/arrowana tank

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