Citation: Bongaerts P, Perez-Rosales G, Radice VZ, Eyal G, Gori A, Gress E, Hammerman NM, Hernandez-Agreda A, Laverick J, Muir P, Pinheiro H, Pyle RL, Rocha L, Turner JA, Booker R (2019) Mesophotic.org: a repository for scientific information on mesophotic ecosystems. Database 2019:baz140. doi.org/10.1093/database/baz140