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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
Sinh thái học
Biển Tầng nổi biển sâu; Mức độ sâu 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).
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 53.5, range 42 - 68.2 cm
Max length : 79.8 cm TL con đực/không giới tính; (Ref. 96016); Khối lượng cực đại được công bố: 255.50 g (Ref. 96016)
Động vật có xương sống: 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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Các nghề cá: không ích lợi (thú vị)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.4 - 14.4, mean 10.2 °C (based on 488 cells).
Phylogenetic diversity index (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).
Mức dinh dưỡng (Ref.
69278): 3.5 ±0.50 se; based on food items.
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (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);
