Did it look like the pic below? If so, it's nothing to worry about. There are quite a few species that will do this from time to time. No one is sure exactly why they ball up like this. H. magnifica is probably to most famous for this behavior.
Did it look like the pic below? If so, it's nothing to worry about. There are quite a few species that will do this from time to time. No one is sure exactly why they ball up like this. H. magnifica is probably to most famous for this behavior.
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