title: Nassarius optimus
text: # Nassarius optimus
  
  Nassarius optimus is a species of sea snail, a marine gastropod mollusc in the family Nassariidae, the nassa snails.
  
  ## Description
  
  The shell size varies between 20 mm and 30 mm.
  
  ## Distribution
  
  This species occurs in the Indian Ocean off Madagascar and in the Pacific Ocean off Northern Australia, the Philippines and New Caledonia.
  
  