Spiny Sea Star, Amphiaster insignis

Spiny Sea Star, Amphiaster insignis. Pictured star’s wingspan: 12.5 cm (4.9 inches). Exceedingly rare. Identification courtesy of Dr. Chris Mah, Smithsonian Institute, Washington, D.C.

Family:  The Spiny Sea Star is a member of the Asterodiscididae Family of Asterodiscid Sea Stars.

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