Nautilus Shells 4-5” Parl Chambered fire This is a tiger Nautilis

This is a tiger Nautilis shell on a mahogany wooden stand

The population density of these sponges is going down because of oil spills and other pollution

Air is moved through the many chambers to control buoyancy

On deep reefs

and instead feed by passively capturing prey items such as larvae or small crustaceans

Nautilus Shells 4-5” Parl Chambered fire This is a tiger NautilisNautilus 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