Author: Bertelsen & Nielsen, 1987
Monognathus herringi Bertelsen & Nielsen, 1987
Diagnosis: elongate, pointed snout. Jaws almost straight. Dorsal fin with 77-78 rays; its origin above myomeres nos. 10-11. Anal fin with 58 rays; its origin immediately behind anus. Myomeres 101-106. Pectoral fins very short, less than 1% of standard length. Colour: no pigmentation except for areas around anus and eyes and posterior to branchial cavity. Size: 48-64 mm.
Habitat: pelagically just off the bottom at 3000-5400 meters. Food: no data. Reproduction: no data.
Distribution: west of Madeira.