Help, what is this?

[kwandrsn]

I purchased a coral and this was in the bag. I also seen one a month ago in my tank.
What is it and is it bad



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[Fatmike92]

could be a stomatella snail. very good algae eaters! look them up see if that looks right

 

[kwandrsn]

Not that. No antennas and I had one in my tank a while back. Same markings

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[Fatmike92]

is it hard?

 

[doylef4i]

looks like a limpet or a chiton.

 

[PaulKreider]

Alien from planet x234562b12 Kill it.

 

[kwandrsn]

Yes kinda hard and it curled up and the shell kinda looked like scales like a rolly polly bug

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[kwandrsn]

I don't think its a snail with how it curled up.

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[Reefing Madness]

Nudibranch?

 

[kwandrsn]

I don't think so. At least not what I seen when I googled nudibranch

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[geemanaz]

look like a Dendrodoris elongata

Info on them at The Sea Slug Forum - Dendrodoris elongata

 

[kwandrsn]

But this has hard plates kinda like a armadillo or something, sorry that's the best way to describe it

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[ingtar_shinowa]

Chiton

 

[chappy]

Chiton

+1000

 

[kwandrsn]

ok and they are not bad right?

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[Mole]

nope... chitons are outstanding

 

[kwandrsn]

Ok well that one was dead but I have seen one in my tank before so that's cool

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