Squatina david, David’s Angel Shark : fisheries

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Squatina david Acero P., Tavera, Anguila & Hernández, 2016

David’s Angel Shark
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Image of Squatina david (David’s Angel Shark)
No image available for this species;
drawing shows typical species in Squatinidae.

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);  david: In honor of the first author’s son David (pronounced dahveed), who passed away 7 March 2011 [a noun in apposition, without the patronymic “i”]. (See ETYFish).

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

海洋 居于水底的; 深度上下限 51 - 272 m (Ref. 117896).

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

Western Atlantic: northern South America (Venezuela and Surinam) to Panama.

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 78.7 cm TL 雄鱼/尚未辨别雌雄; (Ref. 110242); 74.8 cm TL (female)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 0; 臀棘 0. Diagnosis: Mid-dorsal line lacking thorns or enlarged, sharp, pointed dermal denticles; eye-spiracle distance larger than 1.5 times eye diameter in specimens larger than 60 cm TL; each nasal flap with 2 rod-like barbels, outer barbel divided; coloration grayish to brownish yellow, male dark-spotted, females with abundant whitish spots (Ref. 110242).

生物学特性     字汇 (例如 epibenthic)

Currently known from depths between 100-151m (Ref. 110242).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼


主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

Acero, A.P., J.J. Tavera, R. Anguila and L. Hernández, 2016. A new southern Caribbean species of angel shark (Chondrichthyes, Squaliformes, Squatinidae), including phylogeny, and tempo of diversification of american species. Copeia 104(2):577-585. (Ref. 110242)

世界自然保护联盟红皮书 (Ref. 130435)

  临近濒危 (NT) (A2d); Date assessed: 31 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

渔业:
FAO - Publication: search | FishSource |

更多信息

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Otoliths
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眼睛色素

工具

特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.9   ±0.6 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 (Preliminary low fecundity).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (51 of 100).