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Blue-Spot Sea Urchin

Astropyga radiata

Photo by Allen Hoof
Published on Project Noah
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21.3738, -158.15

Field Notes

Description:

Reddish sea urchin with brown quills, about 4 inches/10 cm horizontal diameter, exclusive of spines; shell in five segments, with grooves along seams; blue spots in grooves.

Habitat:

Nearshore tropical waters.

Notes:

Spotted offshore of Nanakuli, Oahu in a penshell bed on a flat sand bottom about 70 feet deep. Original medium photoprint taken using 35mm SLR in Ikelite housing with flash; print later scanned and image saved as digital file.

Reference Links:

Astropyga radiata

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Underwater Hawai'i
Photographed
PublishedDecember 2, 2011

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