56764 Marukawichthys pacificus Yabe, 1983 Rhamphocottidae Grunt sculpins Perciformes/Cottoidei Teleostei Northwest Pacific: Emperor Seamount Chain. High Seas only. FB 2737586 Marukawichthys pacificus 570 m HUMZ 68657 and 68659 - 68662; 35 N 171 E 1977 Marukawichthys pacificus 570 - 570 m