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Tripneustes gratilla
Spines vary widely in colour and are small. Dark areas separate spines. Distributed throughout the Indo-Pacific this Sea Urchin feeds on algae and seagrass and is active both during the day and at night. Main colour(s): Spine colour varies fom white, orange, yellow, red, black to violet or green. Size: Skeleton reaches 15 cm diameter
Spotted on Dec 1, 2012
Submitted on Nov 30, 2012
5 Comments
They are Seema, very colourful
so colorful!
Thanks Sarah
Such vibrant colors! Cool patterns in the sand in 1st pic, too! :)
Added ID