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Old 10-21-2013, 11:26 PM   #1
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Sponges

Will sponges move ? I've got this one that has moved a little but I thought they were pretty much stay put kinda things
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Old 10-21-2013, 11:27 PM   #2
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Old 10-21-2013, 11:28 PM   #3
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Old 10-21-2013, 11:58 PM   #4
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Sponges are not able to move.
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Old 10-22-2013, 12:53 AM   #5
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They do tend to die off and others appear elsewhere. I had a bunch on one rock, now they are gone but new sponges are forming everywhere else in the tank.
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Old 10-22-2013, 02:03 AM   #6
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I have a lot of theses guys on some of my live rock are they harmful in anyway later down the road
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Old 10-22-2013, 08:56 AM   #7
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Totally harmless filter feeders.
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Old 10-22-2013, 10:45 AM   #8
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Quote:
Originally Posted by Sniperhank View Post
Sponges are not able to move.
Actually I disagree. I have seen pineapple sponges move. The put long fibers to attach to a surface and then pull themselves towards that surface. Kinda a Spider-Man move.
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Old 10-22-2013, 05:53 PM   #9
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There are only hundreds of different volunteer sponges people ID as pineapples, if this one is calcareous, it probably doesn't move in the traditional sense. But they are a good sign water quality is good.
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