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chambered nautilus shell or Emperor nautilus shell, Nautilus pompilius, or the largest nautilus species, giant nautilus shell, Nautilus repertus. The living animal occupies the outer shell chamber. A tissue-lined tube of shell, the siphuncle, connects the body to older chambers. Gas in the sealed chambers balances the animal's growth, providing neutral buoyancy.
- Masa Ushioda
- Image Size
- 5400x3600 / 2.7MB
- Contained in galleries