Mokapu, Oahu, 30 feet, 118 mm

Puako, Hawaii, 15 feet

Subadult

Makapu'u, Oahu, 15 feet

Eggs, SE Oahu, 50 feet

Haleiwa Trench, Oahu, 30 feet

Makapu'u, Oahu, 20 feet

Sea Cave, Oahu, 25 feet

Sea Cave, Oahu, 25 feet

Hanauma Bay, Oahu

Locally common next to coral heads or within crevices in clear water at any depth.  Shells tend to occur in clusters, and the mantle is usually retracted during the day.  This endemic Hawaiian subspecies, different primarily in size, attains at least 6 inches, 153 mm, while the average is 4 inches, 100 mm.  Specimens excceding 5 inches, 125 mm, are rare and highly desirable.  The parent species occurs from the Red Sea to Japan and French Polynesia.