Home > Invertebrates > Bivalves > Pinctada margaritifera

Updated 3/19/2014

Family Pteriidae


Pinctada margaritifera 

Blowhole, Oahu, 30 feet


Lanai Lookout, Oahu, 30 feet

Sharks Cove, Oahu, 25 feet



Juvenile, Kewalo, Oahu, 80 feet


Kewalo Hump, Oahu, 90 feet


Pokai Bay, Oahu, 15 feet

Mahi Wreck, Oahu, 80 feet


Sand Island, Oahu, 12 feet


Uncommon in shallow water and scuba depths firmly attached to the substrate.  Easily identified by fringes along opening.  Attains diameter of at least 12 inches.  Produces high-quality pearls and cultured extensively in French Polynesia.  Formerly abundant and harvested to near-extinction at Pearl Harbor and Pearl & Hermes Reef.  It is illegal to collect this species.  Hawaii & the Indo-West Pacific.  Labeled as the endemic species Pinctada galtsoffi in Severn's Shells of the Hawaiian Islands.