56351 Mastigopterus imperator Smith & Radcliffe, 1913 Ophidiidae Cusk-eels Neobythitinae Ophidiiformes Teleostei Indo-West Pacific: Madagascar, the East and South China seas and Papua New Guinea. FB 2739099 Mastigopterus imperator 1786.0799560546877 m FB 2739017 Mastigopterus praetor 2362.530029296875 m IOAN uncat. 5 S 146 E 1977 Mastigopterus imperator 1380 - 1400 m SFU-1819 20 N 116 E 1982 Mastigopterus imperator 394 - 525 m BSKU 82359 28 N 128 E 1994 Mastigopterus imperator 1594 - 1597 m