Aquaculture of the giant opihi Cellana talcosa

Scientist fear that the largest and most prized species of the hardy 'opihi a uniquely Hawaiian delicacy may be essentially extinct on O'ahu, and the popluation of other limpets statewide is also on the decline. "Pupu" in Hawaiian means "snail" and in modern times it is used to mean hors d'oeuvres. Opihi were the most favored pupu traditionally.