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Sure is!![]()
Are you sure it's not just a baby snail yet to grow a proper shell?
Thank youYup!

They are super cool critters if you watch them under a microscope.

nice stomatella!
In my 15 years in the hobby, I have never once managed to get a stomatella in my tank.
I’ve had every other beneficial hitchhiker
We’re new at this, have only bought 4 coral so far, Zoa’s, Alveopora, hammer and a Brain coral, we’ve had a bristle worm and now a stomatella, we got rid of the bristle worm as we didnt know what it was at first , we freaked out that it killed our Alveopora but have since been informed that it probably wasn’t the case but hitchhikers seem to be a regular occurrencenice stomatella!
In my 15 years in the hobby, I have never once managed to get a stomatella in my tank.
I’ve had every other beneficial hitchhiker but stomatellas

Lucky! Stomatella for sure. I had a ton of them in a previous tank. Amazing CuC. I've been trying to get a hold of some for a few
I’m aware of them now and know they do no harm so if I get anymore I won’t freak out and get rid of itDon’t worry about bristleworms. We have loads and they do no harm. They just give you the shivers before bed!

Think we have more to come yet, I’m assuming that’s what these are ready to hatchLucky! Stomatella for sure. I had a ton of them in a previous tank. Amazing CuC. I've been trying to get a hold of some for a few years, but no luck.

Oh, ok thank you, will try and find out what they are called.No I think that’s something different - not sure what they are called but they are also harmless cessile filter feeder - we also have loads of these especially in the sump. Maybe it’s called a tunicate? @ISpeakForTheSeas can confirm the name.
I remembered - they are affectionately known as pineapple sponges! And they are not tunicates they are Sycon sponges!Oh, ok thank you, will try and find out what they are called.
Ah thank you, I just looked them up and that’s definitely what they I’m sure, they look pretty much identical.I remembered - they are affectionately known as pineapple sponges! And they are not tunicates they are Sycon sponges!
While those may be pineapple sponges, you are still likely correct. The stomatella is one of the few snails that will readily spawn in our aquariums. I started with just a few, but eventually had a ton of them, and they kept my tank super clean! I tried to start a little breeding tank for them, but it didn't work out. I would bet money that they are not sold in the hobby because they are such prolific multipliers.Think we have more to come yet, I’m assuming that’s what these are ready to hatch![]()