(كوسه ها و سپرماهيان) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
More on author: Norman.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي نزديك كف زي; تغييرات عمق 100 - 500 m (Ref. 104534), usually 104 - 159 m (Ref. 104534). Temperate; 35°S - 55°S, 67°W - 52°W (Ref. 104534)
Southwest Atlantic: Uruguay to Argentina (Ref. 58839) and around the Falkland/Malvinas Islands (Ref. 104534).
اندازه / وزن / سن
بلوغ: Lm ?  range ? - ? cm
Max length : 111 cm TL جنس نر / بدون خواص جنسي; (Ref. 104534)
Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Reportedly taken as bycatch in deeper water benthic trawl and longline teleost target fisheries as well as in target longline skate fishing from off Mar del Plata, Argentina (Ref. 104534).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
دمای ترجیحی (مرجع
123201): 3.9 - 6, mean 4.6 °C (based on 27 cells).
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00296 - 0.01067), b=3.13 (2.97 - 3.29), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 4.0 ±0.7 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Fec assumed to be <100).
آسیبپذیری ماهیگیری (Ref.
59153): High to very high vulnerability (67 of 100).
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مواد مغذی (Ref.
124155): Calcium = 4.32 [0.65, 78.93] mg/100g; Iron = 0.242 [0.023, 2.796] mg/100g; Protein = 14.9 [13.3, 16.7] %; Omega3 = 0.677 [0.259, 1.711] g/100g; Selenium = 15 [3, 70] μg/100g; VitaminA = 9.8 [0.8, 124.4] μg/100g; Zinc = 0.296 [0.020, 3.302] mg/100g (wet weight); based on
nutrient studies.