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KathiC

Anyone know what this is?

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KathiC

This thing fell out of a torch we added a couple of weeks ago. It looked like leftover food so we left for a bit then it disappeared.

 

It adheres itself to a rock and is very well attached, not easily removed. The tentacles waving above it are out all the time during the day. Safe or not? 

20171116_161825.jpg

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This guy is extra salty

Appears to be a anemone 

does it have a feeding response?

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KathiC

It appears to be a filter feeder. Our LFS says it is a pineapple sponge. 

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Patrick17

Doesn't look like a pineapple sponge to me, however I'm not expert! I thought pineapple sponges were white?

 

If you search here, there are loads of threads about identifying small white blobs that usually turn out to be a pineapple sponge 

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GraniteReefer

I can confirm it's not the small white pineapple sponges that grown in my rear chambers like weeds.  It being a variant of sponge is possible, it is immobile right? How quickly did it take to adhere to rock structure?  More description and a secondary photo may help, or someone who knows spot on might get it.  Is it soft? Hard? Are those "tentacles" or hollow tubes?

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