分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Squatiniformes (Angel sharks)
琵琶鮫目 (Angel sharks) >
Squatinidae (Angel sharks)
琵琶鮫科(Angel sharks) (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
生态学
海洋 居于水底的; 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 160 cm TL 雄鱼/尚未辨别雌雄; (Ref. 247); common length : 120 cm TL 雄鱼/尚未辨别雌雄; (Ref. )
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 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)
一个琵琶鲛有大的在吻上的刺与眼睛上方但是不在背部中央上, 微弱地分叉了鼻的触须与弱的有穗边的前鼻瓣, 第一背鳍起源通常在身体上在腹鳍的后顶端 , 与突出的白色斑点正后方 (参考文献 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).
栖息于沙子与大陆架与上层斜坡的泥底 (参考文献 26999)了。 (参考文献 247) 大部份在 50 与 100 公尺之间但是比较深的在热带中.(参考文献 247) 吃小鱼。 (参考文献 247) 卵胎生的.(参考文献 50449) 生鲜使用与乾燥盐腌供人类消费; 肝油而且也隐藏使用.(参考文献 247)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435)
极度濒危 (CR) (A2bcd+3cd); Date assessed: 19 June 2017
人类利用
渔业: 低经济
工具
特别资料
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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): 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).
营养阶层 (Ref.
69278): 4.0 ±0.5 se; based on diet studies.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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);
