Beringraja binoculata, Big skate : fisheries, aquarium

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Beringraja binoculata (Girard, 1855)

Big skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Beringraja binoculata   AquaMaps   Data sources: GBIF OBIS
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Beringraja binoculata
Picture by Gotshall, D.W.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Rajiformes (Skates and rays) 鰩目 (Skates and rays) > Rajidae (Skates) 鰩科 (Skates)
Etymology: Beringraja: Named for the Bering Sea, though to be the origin of the two species in this genus.;  binoculata: From the Latin 'bi' meaning two and 'oculata' meaning eyed - referring to the arrangement of pigment on the pectoral fin bases (Ref. 6885).
More on author: Girard.

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 居於水底的; 深度上下限 3 - 800 m (Ref. 6793), usually 3 - 110 m (Ref. 2850). 溫帶; 61°N - 31°N, 165°W - 117°W (Ref. 55279)

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

North Pacific: Glubokaya Bay, Cape Navarin, and Stalemate Bank to Cedros Island, Baja California, Mexico.
北太平洋: Glubokaya 海灣, Navarin 海岬與僵局岸堤到塞德羅斯島,墨西哥的下加利福尼亞。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 130 - ? cm
Max length : 244 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850); common length : 180 cm TL 雄魚/尚未辨別雌雄; (Ref. 2850); 最大體重: 91.0 kg (Ref. 2850)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Dorsal fins well back on tail, small; caudal and anal fins absent; pectorals broad, attached to snout and incorporated with body; pelvic fins large, moderately concave on free margins (Ref. 6885). Posterior sides of tail with a small fleshy keel on either side (Ref. 6885).
背鰭在尾部正後方, 小的; 尾鰭與臀鰭不存在; 胸鰭寬的, 依附於吻而且和身體合併; 腹鰭大的, 一般在分離的邊緣上凹曲.(參考文獻 6885) 在後部側邊在任一側邊上尾部有一個小的肉質龍骨脊.(參考文獻 6885)

生物學特性     字彙 (例如 epibenthic)

Largest skate in North America (Ref. 2850). Feed on crustaceans and fishes (Ref. 6885). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Young hatch at 18-23 cm TL (Ref. 114953). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 22.8-30.5 cm long and 11.0-19.4 cm wide (Ref. 41249, 41300, 41357). Pectoral fins utilized for human consumption (Ref. 2850). Marketed fresh and frozen; eaten fried and baked (Ref. 9988).

北美洲中大的魟魚.(參考文獻 2850) 捕食甲殼動物和魚類。 (參考文獻 6885) 卵生的。 明顯的成對出現。 幼魚可能傾向跟隨大的個體, 例如他們的母親.(參考文獻 205) 卵為長方形鞘囊具有僵硬的觸角沈積在沙灘或泥灘的角落.(參考文獻 205) 卵鞘是 22.8-30.5 公分長與 11.0-19.4 公分寬的.(參考文獻 41249,41300,41357) 胸鰭供人類消費使用了。 (參考文獻 2850) 在市場上銷售生鮮和冷凍; 油炸後食用與燒烤.(參考文獻 9988)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Up to 7 embryos per egg case (Ref. 2850). Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205).北太平洋: Glubokaya 海灣, Navarin 海岬與僵局岸堤到塞德羅斯島,墨西哥的下加利福尼亞。

主要參考資料 Upload your references | 參考文獻 | 合作者 : McEachran, John | 合作者

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)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 30 December 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

漁業: 商業性; 水族館: 公眾的水族館
FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 3.4 - 10.8, mean 6.8 °C (based on 512 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.9   ±0.64 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100).
價格種類 (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 2.86 [0.39, 50.14] mg/100g; Iron = 0.195 [0.018, 2.275] mg/100g; Protein = 15.8 [14.0, 17.7] %; Omega3 = 0.665 [0.306, 1.433] g/100g; Selenium = 23.6 [8.8, 95.7] μg/100g; VitaminA = 3.53 [0.27, 43.61] μg/100g; Zinc = 0.277 [0.018, 3.087] mg/100g (wet weight); based on nutrient studies.