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There are many interesting facts about these sea shells.
Natural Nautilus Shells Pearl Nautilus Sea Shells Center Cut Nautilus Seashells
Nautilus shells are Cephalopods in a group including the squid, octopus and cuttlefish. Cephalopods are the most highly evolved mollusks. They have a well developed nervous system and highly developed eyes. Surrounding the mouth are many tentacles. Nautilus are the only cephalopod to have a true external shell. Naturalists, mathematicians and physicists have been fascinated for years by the form of this shell. The spirally coiled, chambered shell is perfectly proportioned mathematically, a remarkable feat of natural engineering. Nautilus move air through their many chambers to control buoyancy.
Nautilus are considered a living fossil. They have been traced back 500 million years. These mollusks are carnivorous preying on lobsters, crabs and hermit crabs. They also scavenge the bottom of the ocean for tasty tidbits.
Nautilus shells are most common in the central Philippines. The meat is edible and fishermen have been known to set traps for chambered nautilus baited with chicken.
In Polynesia nautilus sea shells are believed to have the ability to chase away evil spirits. They are placed over the door on the roof of houses.
Chambered Nautilus once dominated the ancient seas of the world. Now they are found in the southwestern Pacific. Dead nautilus shells float as far away as East Africa and Japan.
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