Teleostei (teleosts) >
Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335).
Eponymy: Jesse F Raju (b: c.1936) is the wife of the author, Solomon Raju. (See Raju) (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 2100 m (Ref. 58018). Deep-water; 12°N - 12°N, 149°W - 148°W
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Central Pacific: known from the type locality.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.3 cm TL male/unsexed; (Ref. 34506)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 80; Anal soft rays: 54. M. jesse differs from all other species of the genus by the following combination of characters: head short, snout blunt, skull length 4.1% TL, rostral fang with dorsal profile slightly convex forming an almost straight line with frontal profile of skull, dorsal fin origin above myomere number 11, anal fin origin below dorsal fin ray number 29, myomeres 104 and jaw with 16 teeth. No lateral, subdermal pigmentation (Ref. 34506).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | 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: Version 2024-1)
Threat to humans
Harmless
Human uses
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Internet sources
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): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).