Urchin ID

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K. Steven

K. Steven

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I need to identify this urchin. I think it is Tripneustes gratilla, but not 100%.
28b89f9bb84aa87f8523f5d8b64236fc.jpg
 
Saltwater Aquarium
I think that's a "Halloween urchin". Which as far as I'm concerned is a prettier tuxedo urchin.
 
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