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seagrass

Pencil sea urchin
Prionocidaris bispinosa
Family Echinoidea
These colourful sea urchins are ocassionally seen in the seagrass lagoon. They have spines on their spines!

See also ...
Echinoderms in general
Sea urchins in general

quick facts
Body diameter 4-5cm, sometimes seen in the seagrass lagoon

Classification:
Order Sirenia
Class Echinoidea
Phylum Echinodermata

a companion website to the chek jawa guidebook website©ria tan 2003 www.wildsingapore.com

a companion website to the chek jawa guidebook
website©ria tan 2003 www.wildsingapore.com