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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 700 - 2000 m (Ref. 9942). Deep-water
Western Indian Ocean: Yemen, Red Sea. Larvae were reported from the northwestern Indian Ocean.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Floating or actively swimming larvae seem to live in the upper pelagic region. In the Red Sea, metamorphosing or post metamorphosed stages seem to descend vertically down to the deep-sea bottom.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Klausewitz, W., 1994. Comparative studies on the vertical distribution of bathybenthic deep-sea fishes of the Red Sea. Proc. IPFC 4:462-468. (Ref. 9942)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 21.7 - 21.8, mean 21.7 °C (based on 10 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00087 (0.00035 - 0.00219), 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): 3.4 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Moderate to high vulnerability (46 of 100).
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