The shell of a Pearly Nautilus cut in cross-section to show the inner chambers connected by a tube called a siphuncle


The shell of a Pearly Nautilus cut in cross-section to show the inner chambers connected by a tube called a siphuncle. The creature can control its buoyancy by regulating the gas in the chambers


Size: 5800px × 3910px
Location: Madagascar
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

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