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Anguilliformes (Eels and morays) >
Nettastomatidae (Duckbill eels)
Etymology: Nettastoma: Greek, netta = duck + Greek, stoma = mouth (Ref. 45335); melanura: From the Greek melan meaning black, dark, and oura meaning tail, referring presumably to the dark edges of the posterior part of the dorsal and anal fins.
More on author: Rafinesque.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathypelagisch; diepte 0 - 1647 m (Ref. 4454), usually 329 - 860 m (Ref. 47377). Deep-water; 45°N - 30°S, 98°W - 17°E
Eastern Atlantic: Portugal to the Gulf of Guinea including western Mediterranean. Western Atlantic: Gulf of Mexico to the Guianas and to southern Brazil (Ref. 47377).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 53.5, range 42 - 68.2 cm
Max length : 79.8 cm TL mannelijk / geslacht onbekend; (Ref. 96016); max. gepubliceerd gewicht: 255.50 g (Ref. 96016)
Wervels: 190 - 210. Usually five supratemporal pores, SO5 absent. Lateral line pores 43-49. Median vomerine teeth somewhat enlarged. Posterior nostril near anterodorsal margin of eye.
Occurs in holes on muddy bottoms of continental slope. Feeds mainly on crustaceans (Ref. 4776). Minimum depth reported taken from Ref. 86942.
Smith, D.G., 1990. Nettastomatidae. p. 172-175. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4454)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 5.4 - 14.4, mean 10.2 °C (based on 488 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00095 (0.00067 - 0.00137), b=2.95 (2.85 - 3.05), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.50 se; based on food items.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (52 of 100).
Nutrients (Ref.
124155): Calcium = 12.3 [2.9, 50.7] mg/100g; Iron = 0.319 [0.093, 1.082] mg/100g; Protein = 18.2 [15.8, 20.8] %; Omega3 = 0.172 [0.056, 0.548] g/100g; Selenium = 15.7 [4.0, 65.6] μg/100g; VitaminA = 13.5 [1.5, 108.4] μg/100g; Zinc = 0.42 [0.19, 1.05] mg/100g (wet weight);
