(Right)Illustration of a Sonrel, Leon (1872) Bottom of the Sea, New York City, NY: Scribner, Armstrong & Co. Image: Public Domain/Freshwater and Marine Image Bank, University of Washington. (Left)Arjuna Neuman and Denise Ferreira da Silva, Blacklight, 4Waters-Deep Implicancy, 2018 (left). The Otolith Group, Zone ll, 2020 (right).