Common names from other countries
分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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
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
檢索表 | 型態特徵 | 形態測量圖
背棘 (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)
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
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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。
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 (Ref. 128078)
Not Evaluated
人類使用
漁業: 低經濟
工具
特別的報告
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網路資源
Estimates based on models
Preferred temperature (Ref.
115969): 13 - 19.3, mean 15.3 (based on 133 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
