Not sure what this is

H.Greenleaf tank

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20260407_171017_57B5E8B1-0208-4AC7-8551-755B3CEF90AF.png
Wife found this in the tank. I have no clue what it is. Any help with be grateful. New tank 2 months old at the end of diatom cycle.
 

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tbrown

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Looks like a possible Operculum from a snail. That's basically like the door to their shells. Did you recently lose any Turbo Snails? That one looks like it has a little flesh on it which means it's probably fairly fresh/recent.
 

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20260407_171017_57B5E8B1-0208-4AC7-8551-755B3CEF90AF.png
Wife found this in the tank. I have no clue what it is. Any help with be grateful. New tank 2 months old at the end of diatom cycle.
Can you flip it over and get a pic?
It looks like something was dropped in the tank or came off a piece of equipment. I'm guessing here.
How big is it?
 

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