Home > Invertebrates > Shells > Muricidae > Amplidrupa aperta

Updated 12/1/2025

Family Muricidae

HAWAII - ENDEMIC

Amplidrupa aperta 

 

Makapu'u, Oahu, 6 feet, 65mm

 

  

 


Juvenile, Makapu'u, Oahu, 15mm

Lanai Lookout, Oahu

OPEN DRUPE   MAKALOA

Locally common on rock faces exposed to breaking waves, where it preys upon 'opihi limpets.  It tends to be encrusted by coralline algae. Attains 3 inches, 75 mm.  Endemic to Hawaii.  Formerly known as Drupa aperta, Purpura aperta and Thais aperta.