During the late afternoon and during the night starfishes go out to hunt mainly bivalve molluscs, which are their favourite preys.

This species lives only in the Mediterranean Sea and it prefers sandy seabed near meadows of Cymodocea nodosa and it lives at depths between 2 and 100 m. This species is active and easy to find especially in the late afternoon, but sometimes it is possible to find it during the day or during the night.

Every superomarginal plate is equipped with 1 very long, sharp, clean conical spine usually white colour but sometime yellow or orange.

Feature shape of this Astropecten has a very small disc and very long and thin arms.

This sea star is a carnivore and feeds on molluscs, which it catches with its arms and then takes to the mouth.