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Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335).
Eponymy: Dr Elbert Halvor Ahlstrom (1910–1979) was an ichthyologist and biologist who spent more than four decades working for the National Fisheries Service. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; djupintervall 0 - 2000 m (Ref. 58018). Temperate
Eastern Central Pacific: California, USA.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.9 cm TL hane/ej könsbestämd; (Ref. 34506)
Mesopelagic (Ref. 96339).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Hubbs, C.L., W.I. Follett and L.J. Dempster, 1979. List of the fishes of California. Occasional Papers of the California Academy of Sciences, San Francisco, California, USA, No. 133, 51 p. (Ref. 7182)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 4.5 - 7.7, mean 5.4 °C (based on 16 cells).
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).
Trofisk nivå (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).