Apristurus riveri, Broadgill catshark

Apristurus riveri Bigelow & Schroeder, 1944

Broadgill catshark
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Apristurus riveri   AquaMaps   Data sources: GBIF OBIS
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Image of Apristurus riveri (Broadgill catshark)
Apristurus riveri
Picture by Canadian Museum of Nature, Ottawa, Canada

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335).

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

; 海洋 深海底的; 深度上下限 700 - 1500 m (Ref. 55584).   深水域; 30°N - 9°N

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

Western Central Atlantic: Cuba, northern Gulf of Mexico, and Panama.
中西大西洋: 古巴,墨西哥灣北部與巴拿馬。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 41.0 cm TL (female)

简单描述 型态特徵 | 形态测量图

Relatively slender, moderately long, narrow snout and relatively narrow, low caudal fin. Color uniform dark brown (Ref. 37039). First to third gill openings long as the distance between the nostrils (Ref. 6032).
相当细长的,中等长度的,和狭窄的吻与相当狭窄又低的尾鳍。 颜色一致的深褐色的.(参考文献 37039) 第一个到第三个鳃裂长的当那鼻孔之间的距离.(参考文献 6032)

生物学特性     字汇 (例如 epibenthic)

Found on the continental slopes. Oviparous, with one egg per oviduct laid at a time. Sexual dimorphism in adults unusually well-developed.

栖息于大陆斜坡了。 卵生的, 每个输卵管一次放置一个卵。 性的同种二形当成鱼时异常地发展良好的。

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Sexual dimorphism is evident in dentition of males (Ref. 49562). Males have longer teeth with fewer cusps (Ref. 51093) to make 'courtship biting' more effective (Ref. 49562).中西大西洋: 古巴,墨西哥灣北部與巴拿馬。

主要参考文献 Upload your references | 参考文献 | 合作者 | 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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

世界自然保护联盟红皮书 (Ref. 120744)

  数据缺失 (DD) ; Date assessed: 01 March 2007

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
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网络资源

Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | 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 | 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): 4.9 - 7.9, mean 5.7 (based on 95 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00147 - 0.00678), b=3.09 (2.91 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.8   ±0.4 se; Based on size and trophs of closest relatives
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
脆弱性 (Ref. 59153):  Moderate vulnerability (43 of 100) .