By-the-Wind Sailor
                        
                        Category: chondrophores
                        Scientific Name: Velella velella
                         
                        Size: Up to 4 in. (10 cm)  
                        Depth: 0-3 ft. (0-1 m)
                        Distribution: Circumtropical
                        
                     
                    
                        Cnidaria (Phylum)
└Medusozoa (Subphylum)
 └Hydrozoa (Class)
  └Anthoathecata (Order)
   └Porpitidae (Family)
    └Velella (Genus)
     └V. velella (Species)