#danceoff

These brittle stars are mud-loving animals, often found crawling across the muddy plains of the seafloor. This group of sea stars, known as Ophiuroidea, boasts a diverse number of species—more than 2,000 different species! They feast on a variety of prey including food particles suspended in the water, organic particles that settle on the seafloor, or small animals like crustaceans, and live in a wide range of water depths—from the shoreline down to 3,000 meters (9,840 feet).

Because serotonin. That's why!