there are 3 of these at New World Aquarium, one is all white (pictured below) one is off-white with light purple tips, and one has gray sections on its body - they all appear to be the same just with different coloration variations.
Any clue what urchin this is?
(FWIW they called it a "white pincushion urchin".)
Any clue what urchin this is?
(FWIW they called it a "white pincushion urchin".)
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