52421 Echiodon exsilium Rosenblatt, 1961 Carapidae Pearlfishes Carapinae Ophidiiformes Teleostei Nocturnal pearlfish Eastern Pacific: Baja California Sur, Mexico to Panama (Ref. 36487), including the Gulf of California and the Galapagos Islands. FB 2739037 Echiodon exsilium 64.05000305175781 - 75.02999877929688 m CICIMAR-IPN 748 1984 Echiodon exsilium 24 m