Teleostei (teleosts) >
Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); herringi: Named for Peter J. Herring who was of great help to the authors by collecting and preserving Monognathus material on board the "Discovery"..
More on authors: Bertelsen & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 3000 - 5400 m (Ref. 34506). Deep-water
Northeast Atlantic.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm TL male/unsexed; (Ref. 34506)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 78; Anal soft rays: 58. M. herringi differs from the other species of the genus by the following combination of characters: head long with elongate, pointed snout, skull length 6.4% TL, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, anal fin origin below myomere number 28, and no lateral, subdermal spots of pigmentation.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia, 13(4):141-198. (Ref. 34506)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).