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Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335).
Eponymy: Dr Luigi Facciolà (1851–1943) was an Italian physician and ichthyologist who was the first to recognise and describe the Witch-Eel genus (1911) but in doing so used a preoccupied name (Nettastomella). [...] (Ref. 128868), visit book page.
More on author: Gilbert.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien bathypelagisch; diepte 64 - 1000 m (Ref. 96339). Deep-water
Eastern Central Pacific: Point Conception, California, USA to Panama, and Guadalupe and Galapagos Islands.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 90.0 cm TL mannelijk / geslacht onbekend; (Ref. 28023)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Color uniformly brown.
Body shape (shape guide): eel-like.
Feeds on small deep-sea crustaceans (Ref. 28023). Caught well offshore in pelagic waters to depths of several hundred meters (Ref. 28023).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Grove, J.S. and R.J. Lavenberg, 1997. The fishes of the Galápagos Islands. Stanford University Press, Stanford, 863 p. (Ref. 28023)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 13.4, mean 9.6 °C (based on 59 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00036 - 0.00222), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.30 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=4).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
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