Spiny starfish (Marthasterias glacialis)
Nevado Chachani, Arequipa Area, Peru
Located in the south Peru, the Nevado Chachani volcano is the highest volcano in the Arequipa (6 075 meters of altitude). This volcano is a part of the central volcanic range of the Andes Cordillera. It is rare to have its top snowy. Since 2008, because of global warming, its last glacier has totally melted.