Norbert Wu / Proboscis Worm (Parborlasia corrugatus) group and Sea Stars (Odontaster validus) feed on seal feces underneath a Weddell Seal breathing hole, Antarctica

Norbert Wu / Sea Star (Odontaster validus) group, urchins, and Bootlace Worms (Nemertea) under anchor ice which forms in water less that 33 meters deep, Antarctica

Norbert Wu / Sea Star (Odontaster validus) and Nemerteans (Parborlasia corrugatus), Antarctica

Norbert Wu / Proboscis Worm (Parborlasia corrugatus) group and Sea Stars (Odontaster validus) feed on Seal feces beneath Seal's breathing hole, Antarctica

Norbert Wu / Proboscis Worm (Parborlasia corrugatus) group attack and feed on jelly, Antarctica