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Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335).
Eponymy: John Dove Isaacs III (1913–1980) was an oceanographer, naturalist, engineer, fisherman and marine scientist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; intervalo de profundidade 0 - 950 m (Ref. 34506). Deep-water
Northwest Pacific.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm TL macho/indeterminado; (Ref. 34506)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Raios dorsais (total) : 80; Raios anais : 52. M. isaacsi differs from all other species of the genus by the following combination of characters: head long with elongate snout and almost straight jaw, skull length 7.0% TL, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, anterior dorsal fin ray above myomere number 13, jaw with 4 teeth, max depth of body 9.7% TL, and skin uniformly brown (Ref. 34506).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia 13(4):141-198. (Ref. 34506)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 0.8 - 16.4, mean 9.7 °C (based on 41 cells).
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).