What. Is. This?!?!

KMench

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Found this snail/whelk thing in my tank. I didn't add it. Is it good/bad/indifferent??

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dbl

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Sorry no help here. I live by the adage of if I don't know what it is, it doesn't go in or it comes out. But then I'm a chicken!
 
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KMench

KMench

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So I added nassarius snails a while ago and I was fallow.... so they laid eggs and these could be offspring? I only started seeing these small fellas recently. But I did add a ten pound bag of “live sand” about a mo they ago so I can’t be sure if they are offspring or a hitchhiker.
 

Brew12

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So I added nassarius snails a while ago and I was fallow.... so they laid eggs and these could be offspring? I only started seeing these small fellas recently. But I did add a ten pound bag of “live sand” about a mo they ago so I can’t be sure if they are offspring or a hitchhiker.
Most live sand won't have any non bacterial life. It is more like taking dry sand, wetting it down, and dumping a bottle of BioSpira on it.

The only way live sand will bring in life is if you get a special order from someone who collects it from the ocean.
 
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KMench

KMench

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That’s what I figured. Just didn’t want to rule it out for the one in a million chance... so although the Shell looks different from my other nassarius, that’s what the concensus is?
 
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Maritimer

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Snail #1 looks more like a whelk than a nassarius to me, though I can't say why.

Snail #2 isn't a cowrie, but might be something along the lines of an olive.

Question on my mind is where did you get your liverock, with such a delightful array of hitchhikers!

~Bruce
 
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KMench

KMench

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Here’s another picture. I swear they’re eating my corals. I just pulled three off my birdsnest. They’re nowhere else to be found typically except on my SPS which have mysteriously started dying. I’m probably crazy making this assumption but I’m to the point of grasping at straws for other reasons

52971349-66FA-47CC-A8F8-365D72D48FF6.jpeg
 

Brew12

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I really am not good at snail ID. The biggest fear would be if it is an Epitonium sp. since those are coral eaters. The shape of the shell is right but the coloration isn't like anything I can find. Finding something like a snail or crab "eating" a dying coral is a bit of a chicken and egg discussion. Is the snail eating the coral causing it to die, or is it eating the decaying tissue and algae growing on the dying coral. :confused:

I doubt it is a nassarius snail if it is on coral. They normally hide in the sand bed.

They don't look pointy enough to me to be a cerith but the bands look like my ceriths.
 
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