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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 / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদতলে ভাসমান বেনথোপেলাজিক; গভীরতার পরিসীমা 125 - 3285 m (Ref. 58426), usually 128 - 1000 m (Ref. 117245). Deep-water; 61°N - 50°S, 180°W - 180°E
Worldwide except in tropical waters (Ref. 27363). North Atlantic: Gulf of Mexico and Cape Blanc, Mauritania north to Davis Strait, Canada and Iceland. South Atlantic: off South Africa. Southeast Pacific: off Chile. Eastern Indian Ocean: Australia (Ref. 7300). Southwest Pacific: New Zealand (Ref. 5755).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 120 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 4449)
পৃষ্ঠীয় কাঁটা (মোট ) : 5 - 12; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 2; পায়ূ কাঁটা : 14 - 17; পায়ূর নরম পাখনা্তুন্ড: 125 - 145; কশেরুকা : 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).
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
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
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 2024-1)
Threat to humans
Harmless
Human uses
মৎস্য: আকর্ষণবিহীণ
হাতিয়ার
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 1 - 14.9, mean 6.1 °C (based on 2531 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5161 [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).
ট্রফিক পর্যায়ে (Ref.
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.
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Assuming tmax>10).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (69 of 100).
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);
