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The branching structure creates habitat and shelter for many other reef species
can be pink with white margins and tips
Branches are typically 1 to 3 inches thick
long spines that normally lie flat on the body are erected
They are a tropical species
Nautilus Shells 7”+ Pearl Chambered mushroom The branching structure creates habitatNautilus 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
