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Squatina formosa Shen & Ting, 1972

Taiwan angleshark
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Image of Squatina formosa (Taiwan angleshark)
Squatina formosa
Female picture by Kochi University, Lab. Of Marine Biology, Faculty of Science (BSKU)


Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, off southwestern Taiwan, NTT 7212120 (holotype of Squatina formosa, 33.7 cm TL, immature male) (Ref. 47737). Also Ref. 47843.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database: The Fish Database of Taiwan

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);  formosa: Named for Formosa (Taiwan), type locality. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋 深海底的; 深度上下限 183 - 220 m (Ref. 54905).   深水域; 24°N - 22°N, 120°E - 121°E (Ref. 54905)

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

North Western Pacific: East coast of Taiwan and Ryuku Islands to SE Japan to Izu Peninsula (Ref. 84150); misidentifiction of S. caillieti in the Philippines (Ref. 86399).
西北太平洋: 台灣的東北與西南海岸。 這種的有效性仍然不確定而且一起比較其他的北太平洋琵琶鮫被需要。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 55.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 84150)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 0. Taiwan angelshark Squatina formosa has broad pectoral fins with outer corner more obtuse and free rear tips narrowly subangular; nasal barbels apparently simple, narrow and tapered. Anterior nasal flaps smooth to weakly fringed; dermal folds on sides of head possibly with a triangular lobe. Rear tip of inner margin of pelvic fins reaching little beyond origin of first dorsal. Very short hypocercal tail. Rows of small spines on midline of back and tail, and on snout and between eyes. Color: no ocelli (eye-like spot) on body (Ref. 247, 31369).
台湾琵琶鲛 Squatina formosa 宽的胸鳍有外部的角落更圆头的与鳍游离后端狭窄子有角; 鼻骨触须显然单一, 狭窄的而且成锥形。 前鼻瓣平滑的到微弱地边缘了; 在头侧上的表皮的摺层可能有一个三角形的叶。 超过第一背鳍的起源一点点的腹鳍的内缘的后顶端。 非常短的 hypocercal 尾部。 在背面与尾部的中联机的列的小棘, 与在吻上与在眼之间。 颜色: 没有在身体上的假眼斑 (眼状的斑点).(参考文献 247,31369)

生物学特性     字汇 (例如 epibenthic)

A little-known angelshark found on the outer continental shelf. Possibly larger. Ovoviviparous (Ref. 50449).

所知极少的琵琶鲛发现于大陆架外缘了。 可能比较大的。 卵胎生的.(参考文献 50449)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Ovoviviparous, embryos feed solely on yolk (Ref. 50449).西北太平洋: 台灣的東北與西南海岸。 這種的有效性仍然不確定而且一起比較其他的北太平洋琵琶鮫被需要。

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)

  濒危 (EN) (A2d); Date assessed: 29 August 2019

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: 没有兴趣
FAO(渔业: 物种外形; publication : search) | FishSource |

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网络资源

Aquatic Commons | BHL | Cloffa | BOLDSystems | 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

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).
营养阶层 (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
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):  Moderate vulnerability (42 of 100).