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Jennifer
Jill1815
I also have such a little creature, even three of them. But I don't know what to call them. Maybe someone can help?
Joshua9847
It's hard to determine exactly, but it seems to be some kind of gastropod mollusk, possibly from the order Nudibranchia...
Christopher7213
I also have one like that. It's called a glossy macrogna. When there are three spots on the tail, it stops growing. That's all I know about it.