Chrosomus neogaeus, Finescale dace

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Chrosomus neogaeus (Cope, 1867)

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

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Chrosomus: Chrosomus meaning color (Ref. 1998).  More on author: Cope.

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

; 淡水 居于水底的; 非迁移的.   溫帶; 62°N - 41°N

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

North America: Atlantic, Great Lakes, Hudson Bay, and upper Mississippi, Missouri, and Peace-Mackenzie River drainages from New Brunswick to Yukon Territory and British Columbia in Canada; south to New York, Wisconsin and Wyoming in USA.
北美洲: 大西洋,五大湖,哈得遜灣,密西西比河上游,密蘇里與和平-麥肯茲河流域從新布蘭斯維克到育空河一帶與加拿大的英屬哥倫比亞; 南至美國紐約州,威斯康辛州與懷俄明州。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 11.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 6.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 6 年 (Ref. 12193)

简单描述 型态特徵 | 形态测量图

Chrosomus neogaeus can be distinguished by having the following characters: 63-92 scales on lateral line; pharyngeal teeth 2,5-4,2; large head; large terminal mouth extending under eye; rounded snout; dark brown to gray cape on back and upper side; body well specked with black; dark olive to gold stripe along side, light olive between cape and stripe; silver white below; usually a black caudal spot; clear to yellow fins; and red along side in large males (Ref. 86798).

生物学特性     字汇 (例如 epibenthic)

Occurs in lakes, ponds and sluggish pools of headwaters, creeks and small rivers, usually over silt and near vegetation (Ref. 86798). Probably feeds on insects, crustaceans, and plankton (Ref. 1998). Spawning probably occurs in the spring (Ref. 1998). Commonly hybridizes with Chrosomus eos. The hybrids are always females and in some areas are more common than the parental species. Hybrids breed with males of the parental species and consequently can outnumber and even replace one of the parent species (Ref. 86798).

出现于河川源头,小溪与小河的湖,池塘与滞水潭通常在淤泥上面与在植物的附近。 可能吃昆虫,甲壳动物与浮游生物。 (参考文献 1998) 可能在春天产卵。 (参考文献 1998) 与 曙鱥[Phoxinus eos] 杂交。 那杂交是一直是雌性而且在一些地区更普遍那亲种。 用亲种的雄性与结果杂交繁殖能数目超过甚至取代父母种之一。

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

北美洲: 大西洋,五大湖,哈得遜灣,密西西比河上游,密蘇里與和平-麥肯茲河流域從新布蘭斯維克到育空河一帶與加拿大的英屬哥倫比亞; 南至美國紐約州,威斯康辛州與懷俄明州。

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

Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)

世界自然保护联盟红皮书 (Ref. 120744)

  最不相关 (LC) ; Date assessed: 03 November 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

FAO(Publication : search) | FishSource |

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网络资源

Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | 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 | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00393 - 0.01681), b=3.13 (2.96 - 3.30), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.6   ±0.0 se; Based on diet studies.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=6).
脆弱性 (Ref. 59153):  Low vulnerability (21 of 100) .