Teleostei (teleosts) >
Anguilliformes (Eels and morays) >
Congridae (Conger and garden eels) > Congrinae
Etymology: Gnathophis: Greek, gnathos = jaw + Greek, ophis = serpent (Ref. 45335).
Eponymy: Edvard Thorbjörn Nyström (1863–1950) was a Swedish veterinarian. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Snyder.
Issue
This species is synonym of Gnathophis heterognathos (Bleeker 1858-59) in Eschmeyer (CofF ver. May 2011: Ref. 86870) following Karmovskaya (2004: Ref. 54804). Please send references, or more studies are needed.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 250 - 355 m (Ref. 58302). Tropical
Western Pacific: Japan to Hawaii.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL male/unsexed; (Ref. 559); common length : 35.0 cm TL male/unsexed; (Ref. 27550)
Presumed benthic (Ref. 58302).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 4.8 - 13.4, mean 11 °C (based on 56 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00063 (0.00029 - 0.00138), b=3.18 (3.00 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).