Squatina oculata, Smoothback angelshark : fisheries

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Squatina oculata Bonaparte, 1840

Smoothback angelshark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Squatina oculata   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina oculata (Smoothback angelshark)
Squatina oculata
Picture by FAO

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) > Squatiniformes (Angel sharks) 扁鯊目 (Angel sharks) > Squatinidae (Angel sharks) 琵琶鮫科 (Angel sharks)
Etymology: Squatina: Latin for skate, which angel sharks superficially resemble, presumably tautonymous with Squalus squatina Linnaeus 1758 (no species mentioned). (See ETYFish);  oculata: Latin for eyed or having eyes, referring to the symmetrical ocelli seen on some specimens. (See ETYFish).
More on author: Bonaparte.

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

海洋 居於水底的; 深度上下限 5 - 500 m (Ref. 10719), usually 50 - 100 m (Ref. 247). 亞熱帶的; 47°N - 29°S, 17°W - 37°E

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

Eastern Atlantic: Mediterranean and Morocco to Angola.
東大西洋: 地中海與摩洛哥到安哥拉。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 160 cm TL 雄魚/尚未辨別雌雄; (Ref. 247); common length : 120 cm TL 雄魚/尚未辨別雌雄; (Ref. )

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. An angelshark with large thorns on snout and above eyes but not on midback, weakly bifurcated nasal barbels and weakly fringed anterior nasal flaps, the first dorsal-fin origin usually well behind the rear tips of pelvic fin, and prominent white spots on body (Ref. 247)
一個琵琶鮫有大的在吻上的刺與眼睛上方但是不在背部中央上, 微弱地分叉了鼻的觸鬚與弱的有穗邊的前鼻瓣, 第一背鰭起源通常在身體上在腹鰭的後頂端 , 與突出的白色斑點正後方 (參考文獻 247)

生物學特性     字彙 (例如 epibenthic)

Found on sand and mud bottom (Ref. 26999) of continental shelves and upper slopes (Ref. 247). Mostly between 50 and 100 m but deeper in the tropics (Ref. 247). Feeds on small fishes (Ref. 247). Ovoviviparous (Ref. 50449). Utilized fresh and dried salted for human consumption; liver oil and hide also used (Ref. 247).

棲息於沙子與大陸棚與上層斜坡的泥底 (參考文獻 26999)了。 (參考文獻 247) 大部份在 50 與 100 公尺之間但是比較深的在熱帶中.(參考文獻 247) 吃小魚。 (參考文獻 247) 卵胎生的.(參考文獻 50449) 生鮮使用與乾燥鹽醃供人類消費; 肝油而且也隱藏使用.(參考文獻 247)

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

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). Size at birth about 24 to 27 cm TL (Ref. 247).東大西洋: 地中海與摩洛哥到安哥拉。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Compagno, Leonard J.V. | 合作者

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN 瀕危狀態 (Ref. 130435)

  極危 (CR) (A2bcd+3cd); Date assessed: 19 June 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  引起創傷的





人類使用

漁業: 低經濟
FAO - 漁業: 魚種描繪; Publication: search | FishSource |

更多資訊

俗名
同種異名
新陳代謝
捕食者
生態毒物學
繁殖
成熟度
產卵場
產卵群集
孕卵數

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年龄/大小
成長
長度-重量
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形態測量圖
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仔魚
稚魚動力學
入添量
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參考文獻
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養殖資訊
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Otoliths
腦重體重比
眼睛色素

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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 13 - 19.3, mean 15.3 °C (based on 133 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00303 - 0.00997), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.5 se; based on diet studies.
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 = 16.4 [3.7, 79.5] mg/100g; Iron = 0.706 [0.185, 2.111] mg/100g; Protein = 19.2 [17.1, 21.1] %; Omega3 = 0.237 [0.112, 0.507] g/100g; Selenium = 36 [11, 102] μg/100g; VitaminA = 9.75 [3.35, 29.81] μg/100g; Zinc = 0.442 [0.216, 0.817] mg/100g (wet weight);