Hydrolagus colliei, Spotted ratfish : aquarium

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Hydrolagus colliei (Lay & Bennett, 1839)

Spotted ratfish
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Hydrolagus colliei   AquaMaps   Data sources: GBIF OBIS
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Image of Hydrolagus colliei (Spotted ratfish)
Hydrolagus colliei
Picture by Nichols, J.

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

Holocephali 全头亚纲 (银鲛科) (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: Greek, hydr = water + Greek, lagos = hare (Ref. 45335);  colliei: Named after M. Collie, naturalist on Captain Beechey's Blossom (Ref. 6885).  More on authors: Lay & Bennett.

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

; 海洋 居于水底的; 深度上下限 0 - 913 m (Ref. 6793), usually 50 - 400 m (Ref. 43939).   溫帶; 59°N - 8°N, 141°W - 83°W

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

Northeastern Pacific: west coast of North America from southwestern Alaska to Baja California, Mexico, including the Gulf of California, and Costa Rica.
東太平洋: Spencer 海岬,阿拉斯加到 Bahia 聖塞巴斯蒂昂 Vizcaino ,下加利福尼亞 (墨西哥). 在加州灣北部中的孤立族群。

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 19 - ? cm
Max length : 100.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 96339)

简单描述 型态特徵 | 形态测量图

This species is distinguished by the following characters: short and bluntly rounded snout; oral and preopercular lateral line canals not sharing a short common branch from the infraorbital canal; anterior edge of dorsal-fin spine non-serrated; anterior and posterior regions of second dorsal-fin considerably taller than the middle region; pectoral fins when depressed do not reach beyond to origin of pelvic fins; no anal fin; caudal-fin axis horizontal with the fin nearly symmetrical, epaxial and hypaxial lobes equal sized; coloration brown or reddish brown with small white spots on head and trunk (Ref. 97389).

生物学特性     字汇 (例如 epibenthic)

Found near the bottom, from close inshore to about 913 m (Ref. 2850). Abundant in cold waters at moderate depths. Feed on mollusks, crustaceans and fishes (Ref. 37955); also echinoderms and worms (Ref. 28499). The spine can be dangerous and cause a painful wound (Ref. 2850). Fishers are reputed to fear the jaws of the ratfish more than they do the dorsal spine. Its flesh is edible but bland and leaves an unpleasant aftertaste (Ref. 28499). The liver was used as a source of machine oil (Ref. 28499).

发现于靠近底部了, 从岸边到大约 913 公尺.(参考文献 2850) 丰富的在寒冷水域中适度的深度中。 捕食软件动物,甲壳动物和鱼类;(参考文献 37955) 也捕食棘皮动物与蠕虫.(参考文献 28499) 棘可能是危险的而且引起令人痛苦的创伤。 (参考文献 2850) 渔夫是相传害怕银鲛的颚超过它们背部棘。 它的肉是可食用的但是淡而无味的而且留下一个不愉快的回味.(参考文献 28499) 肝脏被用作一个机器油的来源。 (参考文献 28499)

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

Distinct pairing during copulation (Ref. 205). The female extrudes two eggs at a time (each contained in a capsule) and may take up to 30 hours to extrude all her egg cases, which then hang from her body on a long filament for another 4 to 6 days. The egg cases end up planted vertically in the mud or just lying with filaments entangled on the bottom. Females extruding egss can be found year-round (Ref. 28499).東太平洋: Spencer 海岬,阿拉斯加到 Bahia 聖塞巴斯蒂昂 Vizcaino ,下加利福尼亞 (墨西哥). 在加州灣北部中的孤立族群。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Allen, M.J. and G.B. Smith, 1988. Atlas and zoogeography of common fishes in the Bering Sea and northeastern Pacific. NOAA Tech. Rep. NMFS 66, 151 p. (Ref. 6793)

世界自然保护联盟红皮书 (Ref. 123251)

  最不相关 (LC) ; Date assessed: 05 December 2014

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  引起创伤的 (Ref. 4690)





人类利用

渔业: 没有兴趣; 水族馆: 公众的水族馆
FAO - 渔业: landings; Publication: search | FishSource | 周边海洋

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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 | FAO - 渔业: landings; 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 | 公众的水族馆 | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Preferred temperature (Ref. 115969): 5.1 - 9.7, mean 7.5 °C (based on 115 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00126 - 0.00755), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.7   ±0.54 se; based on food items.
Generation time: 5.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回复力 (Ref. 120179):  低的, 最小族群倍增时间4.5 - 14 年 (K=0.2-0.22; Fec=2).
脆弱性 (Ref. 59153):  Moderate to high vulnerability (50 of 100) .
Nutrients (Ref. 124155):  Calcium = 21 [4, 56] mg/100g ; Iron = 0.258 [0.106, 0.617] mg/100g ; Protein = 16.8 [11.3, 19.9] % ; Omega3 = 0.429 [0.208, 0.947] g/100g ; Selenium = 21.3 [2.7, 59.0] μg/100g ; VitaminA = 6.27 [2.33, 15.49] μg/100g ; Zinc = 0.456 [0.246, 1.049] mg/100g (wet weight);