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Perciformes/Notothenioidei (Icefishes) >
Nototheniidae (Cod icefishes) > Pleuragrammatinae
Etymology: Dissostichus: Greek, disso = twice, one or other + Greek, stix, stichos =line, row (Ref. 45335).
Eponymy: Sir Douglas Mawson (1882–1958) was an Australian geologist and Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Norman.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي pelagic-oceanic; تغييرات عمق 0 - 2200 m (Ref. 90824), usually 88 - 1600 m (Ref. 5179). Polar; 45°S - 78°S, 180°W - 180°E
Southern Ocean: circumpolar coastal Antarctic broadly to the Convergence (Ref. 11892). Endemic to the seas around Antarctica (Ref. 5179).
طول در اولین بلوغ / اندازه / وزن / سن
بلوغ: Lm 133.2  range ? - ? cm
Max length : 200 cm TL جنس نر / بدون خواص جنسي; (Ref. 90825); common length : 127 cm TL جنس نر / بدون خواص جنسي; (Ref. 90825); بيشينه وزن گزارش شده: 80.0 kg (Ref. 5179); بيشينه سن گزارش شده: 39 سال ها (Ref. 88081)
خارهاي باله پشتي (کل) : 8 - 9; شعاع نرم باله پشتي (کل) : 25 - 27; شعاع نرم باله مخرجي: 25 - 26. Uniformly brownish, with 4 irregular and incomplete dark cross-bars and with some dark spots (Ref. 11892).
Body shape (shape guide): fusiform / normal.
Larval pelagic phase is long (Ref. 89402).
Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00479 (0.00303 - 0.00755), b=3.18 (3.04 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
سطح تروفیک (مرجع 69278) |
3.9 ±0.59 se; based on food items. |
جهندگی (مرجع 120179) |
پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (K=0.056; Fec=400,000). |
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Rate of population increase |
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment. |
آسیبپذیری ماهیگیری (Ref. 59153) |
Very high vulnerability (81 of 100). 🛈 |
آسیبپذیری اقلیمی (Ref. 125649) |
Very high vulnerability (87 of 100). 🛈 |
طبقه قيمت (Ref. 80766) |
Low.
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مواد مغذی (Ref. 124155) |
Calcium = 9.76 [5.05, 19.57] mg/100g; Iron = 0.41 [0.22, 0.79] mg/100g; Protein = 16.9 [15.3, 18.9] %; Omega3 = 0.373 [0.217, 0.651] g/100g; Selenium = 25.5 [10.8, 55.4] μg/100g; VitaminA = 8.07 [1.82, 39.96] μg/100g; Zinc = 0.274 [0.187, 0.414] mg/100g (wet weight); based on nutrient studies. |