Asterina gibbosa is a starfish of 2 to 7 cm in diameter. Its color is variable:
pale-green, gray, ochre, beige or brown. Its flattened body is subpentagonal and armtips are rounded.
Only the central disc is slighlty swollen. It feeds on bivalves, gastropods and brittle stars found on
It is found from surface to 20 m deep, rarely down to 100 m, in the Atlantic Ocean, the English Channel and in the Mediterranean Sea. It is rare in the North Sea.
(source : European Register of Marine Species)
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Top photograph :
© Wilfried Bay-Nouailhat. Published with author's kind permission :
Asterina gibbosa, Iles Glénan, South-Brittany, West of France. Depth 6 meters.
Text : Anne Bay-Nouailhat © 2005-2017.
Translation : Anne Bay-Nouailhat © 2007-2017.