Inoceramids tended to live in upper bathyal and neritic environments.. It is a circumglobal species found at bathyal depths. These organs release light, making the organism distinguishable among the darkness of the bathyal zone. Most Chondrichthyes species only go as deep as the bathyal zone. These snails occur from shallow waters to bathyal depths. The zone above is the bathyal zone. For example, the bathyal "M. amblyops", the smallest mysid in the genus, has reduced eyes. This species occurs in the bathyal zone off New Zealand. The Dana Viperfish is mostly found in the Bathyal zone. In the bathyal, some of the world's largest whales feed. The fish is found in the bathyal zone at depths ranging from . This species occurs in the Atlantic Ocean at bathyal depths off Portugal. The bathyal zone covers the continental slope down to about . The fish is primarily found in the bathyal zone at depths ranging from . This species occurs in the bathyal zone off New South Wales, Australia.