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These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.

These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.

These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.

These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.

These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.

These chambered nautilus shells were almost certainly fished unsustainably, just for the shells, as the nautiloids live in deep cold waters where they grow and reproduce very slowly. Their beauty comes at a very high price, and should be resisted if you see them for sale.