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Diadema setosum (Setosum Spined Urchin)

I'm pretty sure this is Diadema Genius. I'm less sure about setosum but it does match what I'm seeing on the internet. At the time, I thought these were feeding on the coral but from what I've read, they feed on algae.


Camera: Pentax Optio WPi
Date: Tuesday, December 4th, 2007 at 9:13 PM
Exposure: 1/400 sec at f3.3
ISO: 80 asa
Lens: Built In Zoom Lens at 6.3mm
(equivalent field of view of a 38mm lens on a 35mm camera)
Photographer: John Harvey
Region: Southeast Asia, Asia
Scientific Name: species related to Diadema setosum (Setosum Spined Urchin)
Tag: Vietnam, underwater, sea urchin
Larger image: 2000 x 1500
Raw image: 2816 x 2112

John Harvey Photo > Trips out of the Country > Vietnam > Pho Quoc > Sea Urchins Grazing

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Last Modified Tuesday, June 9th, 2009 at 08:27:32. Edit
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