Many coral reefs are found below scuba diving depth. Because of the difficulty in visiting these parts of the ocean, the biology of these reef systems (termed mesophotic reefs) is little understood. These reefs are very abundant, however, and hence there is an urgent need to develop a better understanding of these unique ecosystems.
Click here for original story, Corals from the twilight zone: Who eats what on a deep Red Sea reef
Source: Phys.org