Previous Sea Urchins Grazing
2 of 18 from Pho Quoc

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: Asia, Southeast Asia
Scientific Name: species related to Diadema setosum (Setosum Spined Urchin)
Tag: underwater, Vietnam, 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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