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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Notacanthidae (Deep-sea spiny eels)
Etymology: Notacanthus: Greek, noton = back + Greek, akantha = thorn (Ref. 45335).
Eponymy: Johann Hieronymus Chemnitz (1730–1800) was a German naturalist, conchologist and theologian. [...] (Ref. 128868), visit book page.
More on author: Bloch.
Issue
Species spelling Paxton et al. 1989 (Ref.7300:150).
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق 125 - 3285 m (Ref. 58426), usually 128 - 1000 m (Ref. 117245). Deep-water; 61°N - 50°S, 180°W - 180°E
Western North Atlantic: from Labrador to the Gulf of Mexico; Eastern North Atlantic from Iceland and Norway to North Africa (Ref. 130977). Possible in the eastern Indian Ocean: Australia (Ref. 7300) and southwest Pacific: New Zealand (Ref. 5755).
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 120 cm TL ذكر/ مختلط الجنس; (Ref. 4449)
الأشواك الظهرية (المجموع) : 5 - 12; الأشعة الظهرية الناعمة (المجموع) : 2; شوكة شرجية: 14 - 17; أشعه شرجية لينه: 125 - 145; فقرات: 225 - 239. Presence of palatine and dentary teeth in two or more rows. Numerous dorsal spines. Small specimens are pale tan or pale bluish gray, large specimens are dark brown (Ref. 37108).
Body shape (shape guide): elongated.
Benthopelagic (Ref. 58302) and epibenthic (Ref. 58426). Not uncommon in depths around 180 m off Iceland and Greenland. Individuals with nearly ripe eggs have been found in late autumn off Iceland. Mostly found at depths well below 200 m, but enters slightly shallower water on Grand Banks in Canada (Ref. 7251). Feeds primarily on sea anemones (Ref. 4449).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Sulak, K.J., 1990. Notacanthidae. p. 133-135. 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. 4449)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 1 - 14.9, mean 6.1 °C (based on 2531 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00186 (0.00100 - 0.00347), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.5 ±0.37 se; based on food items.
Generation time: 27.5 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
المرونه (مرجع
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
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Nutrients (Ref.
124155): Calcium = 9.83 [5.11, 21.37] mg/100g; Iron = 0.259 [0.129, 0.528] mg/100g; Protein = 16.1 [14.9, 17.3] %; Omega3 = 0.274 [0.129, 0.578] g/100g; Selenium = 39.1 [14.6, 106.8] μg/100g; VitaminA = 9.64 [1.93, 48.64] μg/100g; Zinc = 0.376 [0.235, 0.610] mg/100g (wet weight);
