So Many Legs on One Arm

Arm close-up of prickly eleven-armed sea star, most probably Coscinasterias calamaria.

Stock Photo: Arm close-up of prickly eleven-armed sea star

Keywords: sea star “sea star” starfish Echinoderm prickly eleven-armed arm Coscinasterias calamaria “Coscinasterias calamaria” underwater undersea predator carnivorous suction-cupped suction feet leg legs temperate water Pacific ocean