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Squatina oculata Bonaparte, 1840

Smoothback angelshark
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Native range | All suitable habitat | Point map | Year 2050
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Squatina oculata   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina oculata (Smoothback angelshark)
Squatina oculata
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Turkey country information

Common names: Keler, Keler balığı
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 247. Status of threat: Critically Endangered (Ref. 58342).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Bilecenoğlu, M., Taskavak E., S. Mater and M. Kaya, 2002
National Database: CLOMFOT

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | 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

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | 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)

生物学特性     字汇 (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).

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。

主要参考文献 Upload your references | 参考文献 | 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)

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

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  引起创伤的




人类利用

渔业: 低经济
FAO(渔业: 物种外形; publication : search) | FishSource |

更多信息

Trophic ecology
食物相
Diet compositions
Food consumptions
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捕食者
Ecology
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Population dynamics
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Length-weight rel.
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References
参考文献

工具

特别资料

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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因组, 核苷酸) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 国家资料库 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 树状分类阶层 | Wikipedia(转至, 搜寻) | World Records Freshwater Fishing | Zoobank | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 13 - 19.3, mean 15.3 (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).
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).
价格分类 (Ref. 80766):   Medium.