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Collector Urchin

Tripneustes gratilla

Description:

Close-up ventral view of a black sea urchin, ~ 4 inches across, with short white spines.

Habitat:

Near shore tropical waters; coral reef ecosystem.

Notes:

Spotted offshore of Leeward Oahu; location shown notional. Month and day notional; year is known with certainty. Image shows the bottom of the urchin, including its mouth--it spends its life "face down", except when someone turns it over. Original medium photoprint, taken with Nikonos III using flash and close-up kit; print subsequently scanned and image saved as digital file.

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Honolulu, Hawaii, USA

Lat: 21.44, Long: -158.21

Spotted on May 15, 1983
Submitted on Dec 20, 2011

Spotted for mission

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