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Home > Invertebrates
> Sea Urchins > Tripneustes gratilla
Updated 8/7/2025
Family
Toxopneustidae
INDO-PACIFIC / HAWAII
Tripneustes gratilla
Puako, Hawaii, 30 feet
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Ft. Kamehameha, Oahu, 4 feet |
Sharks Cove, Oahu, 40 feet
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Lanai Lookout, Oahu, 25 feet
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Hanauma Bay, Oahu, 35 feet |
Sea Cave, Oahu, 60 feet
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Honokohau, Hawaii, 10 feet |
Honokohau, Hawaii, 10 feet
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Kewalo Pipe, Oahu, 60 feet
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Triggerfish predation,
Wailea, Maui, 80 feet |
Ke Iki Beach, Oahu, 20 feet |
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Puako, Hawaii, 6 feet
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COLLECTOR URCHIN
HAWAE
| Common on reefs and rubble at any
depth.
Spines range from white to black. Decorates itself with anything
available. Gonads are edible. Attains diameter of 5 inches. Bred in Hawaii
labs then released for alien algae control. Red Sea to Japan, Hawaii,
and Easter Island. |
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