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Home > Invertebrates
> Bivalves > Pinna muricata
Updated 10/7/2012
Family Pinnidae
INDO-WEST PACIFIC / HAWAII
Pinna muricata
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Mokapu, Oahu, 260 feet
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Sea Tiger Wreck, Oahu, 120 feet
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Kewalo, Oahu, 50 feet |
Ft. Kamehameha, Oahu, 3 feet |
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PRICKLY PEN SHELL
| Occurs partially buried in sediment or attached to hard surfaces
exposed to strong current. Individual shells are uncommon at any
depth, and extensive beds exist deeper than 200 feet.
In 1982 a continuous bed at 80 feet along Oahu's south shore was
destroyed by Hurricane 'Iwa and the area remains barren. Shell narrowly triangular with rows of broad curved spines.
Pale to dark brown. Attains 10 inches, 25 cm.
Red Sea to Japan, Hawaii, and French Polynesia. Pinna bicolor is a
synonym. |
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