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Old 02/09/2018, 04:37 AM   #1
T3D
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ID Help snail/worm and sponge

Hello,

I have a few of these things on the rock. I see them at night. I once saw one on glass that looked like a seal. theres a dark center spot on these white circles. They are very small. maybe less than 1/8 inch. Are these dangerous and should I get rid of them?

Also I have these green sponge type materials Any idea on how to id these as well?

Thanks


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Old 02/09/2018, 04:38 AM   #2
T3D
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I meant snail not seal. Couldn't edit post


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Old 02/09/2018, 04:46 AM   #3
ReefkeeperZ
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the first is a limpet, pretty cool hiker as long as it's not a keyhole limpet (which it does not appear to be), the sponge is a sponge, species of poriferans are typically difficult to ID without a microscope and more knowledge than I posses but that yellow/green guy is pretty common in tanks and I love the look of them. but simply a beneficial filter feeder.


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Old 02/09/2018, 05:34 AM   #4
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Don't think its a limpet, possibly a stomatella snail.

Either one is good for your tank.


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Old 02/09/2018, 05:35 AM   #5
T3D
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Quote:
Originally Posted by ReefkeeperZ View Post
the first is a limpet, pretty cool hiker as long as it's not a keyhole limpet (which it does not appear to be), the sponge is a sponge, species of poriferans are typically difficult to ID without a microscope and more knowledge than I posses but that yellow/green guy is pretty common in tanks and I love the look of them. but simply a beneficial filter feeder.
Thank you!


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Old 02/10/2018, 04:09 AM   #6
ReefkeeperZ
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Quote:
Originally Posted by homer1475 View Post
Don't think its a limpet, possibly a stomatella snail.

Either one is good for your tank.
I must respectfully disagree.
stomatella are shaped like a rounded fingernail, limpets are teepee shaped.
Stomatella


Limpet



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