55112 Melamphaes macrocephalus Parr, 1931 Melamphaidae Bigscale fishes or ridgeheads Beryciformes Teleostei Eastern Pacific Ocean: tropical, endemic to ETP, from the California coast (ca. 30°N) down to northern Chilean coast (ca. 23°S). FB 2741118 Melamphaes macrocephalus YPM 2697 16 N 99 w 1926 Melamphaes macrocephalus