Phylum Echinodermata > Class Echinodea > sea urchins
Black sea urchins on Singapore shores
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Tuas, Apr 05

Upperside.

Long tube feet.

Underside.

Flattened spines around the mouth.

East Coast, Jul 08

Photo shared by Loh Kok Sheng on his blog.
East Coast, May 08


more photos of black sea urchins on Singapore shores
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