Squatina aculeata, Sawback angelshark : fisheries

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Squatina aculeata Cuvier, 1829

Sawback 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 aculeata   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina aculeata (Sawback angelshark)
Squatina aculeata
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);  aculeata: Latin for sharp-pointed, referring to large thorns on head and along back. (See ETYFish).
More on author: Cuvier.

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

海洋 居於水底的; 深度上下限 30 - 500 m (Ref. 247). 亞熱帶的; 43°N - 19°S, 18°W - 30°E

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

Eastern Atlantic: western Mediterranean, Morocco, Senegal, Guinea to Nigeria, Gabon to Angola.
東大西洋: 地中海西部,摩洛哥,塞內加爾,幾內亞到奈及利亞,加彭到安哥拉。

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm ?, range 124 - ? cm
Max length : 188 cm TL 雄魚/尚未辨別雌雄; (Ref. 247); common length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 26999); 最大體重: 40.0 kg (Ref. 128028)

生物學特性     字彙 (例如 epibenthic)

Found mainly on muddy bottom (Ref. 26999). Feeds on small sharks and jacks. Ovoviviparous (Ref. 50449). Utilized dried salted and fresh for human consumption; liver oil and hide also utilized (Ref. 247).

主要發現在泥底部了。 (參考文獻 26999) 吃小的鯊魚與鰺科魚類。 卵胎生的.(參考文獻 50449) 乾燥鹽醃利用與新鮮的供人類消費; 肝油而且也隱藏利用.(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).東大西洋: 地中海西部,摩洛哥,塞內加爾,幾內亞到奈及利亞,加彭到安哥拉。

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

  無害處的





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

卵發育
年龄/大小
成長
長度-重量
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形態測量圖
型態特徵
仔魚
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入添量
豐度
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養殖資訊
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Otoliths
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網路資源

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Estimates based on models

Preferred temperature (Ref. 123201): 13.1 - 17.2, mean 15.2 °C (based on 65 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00293 - 0.01558), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  4.0   ±0.4 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 = 13.9 [3.0, 67.9] mg/100g; Iron = 0.738 [0.191, 2.174] mg/100g; Protein = 19.7 [17.7, 21.7] %; Omega3 = 0.371 [0.168, 0.804] g/100g; Selenium = 33.5 [9.7, 99.1] μg/100g; VitaminA = 9.1 [3.3, 26.2] μg/100g; Zinc = 0.41 [0.20, 0.74] mg/100g (wet weight);