Brittle stars
OphiuroideaBrittle stars - serpentine-armed echinoderms that snake out of crevices at night.
Last updated May 2026
Mediterranean basket starAstropartus mediterraneus1 photos
Large basket star of the Mediterranean and adjacent Atlantic. By day it folds its finely branched arms into a tight ball; at night it climbs gorgonians and extends the arm-mesh into the current to filter plankton. Arm span can reach about 80 cm.
© Jouni Kuisma
Observed at
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