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Young shells have weak vertical ridges
colonies can reach up to a meter across
heavily toothed
different populations utilize different means of obtaining food resources
making them one of the largest mollusc species in the world
Nautilus Shells 7”+ Pearl Chambered knobby Young shells have weak verticalNautilus 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. Air is moved through the many chambers to control
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