Acrocheilus alutaceus, Chiselmouth : fisheries

Acrocheilus alutaceus Agassiz & Pickering, 1855

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

Actinopteri > Cypriniformes (Carps) > Leuciscidae (Minnows) > Laviniinae
Etymology: Acrocheilus: Greek, akro = topmost, summit + Greek, cheilos =lip (Ref. 45335);  alutaceus: The specific name is derived from alutaceus (leathery) (Ref. 1998).  More on authors: Agassiz & Pickering.

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

; 淡水 居于水底的.   溫帶; 55°N - 41°N

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

North America: Fraser and Columbia River drainages in British Columbia in Canada, Washington, Idaho, Oregon, and Nevada in USA; Harney River basin in Oregon, USA.
北美洲: 在加拿大的英屬哥倫比亞,華盛頓,愛達荷,奧勒岡州與美國內華達州的菲沙河與哥倫比亞河流域; 在美國的奧勒岡州的 Harney 河流域。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 17.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 10-11; 臀鳍软条: 9 - 10. Moderately compressed body, deepest in front of dorsal fin; strong tapering to narrow caudal peduncle; large, forked caudal fin; wide head; subterminal mouth; hard plate on lower jaw; large eye; dorsal-fin origin over pelvic-fin origin; rounded, protruding snout; decurved, complete lateral line with 85-93 scales; long intestine (at least twice length of body) ; black peritoneum; dorsal fin with 10-11 rays; anal fin with 9-10 rays; pharyngeal teeth 0,4-4,0 to 0,5-5,0; gray above, brassy silver side; yellow to brown fins; large individuals with gray dorsal and caudal fins, orange at pectoral and pelvic-fin bases (Ref. 86798). Tail large and flaring. Lower jaw bears a sharp edge, nearly square when viewed from beneath. Sharp part of lip consist of cornified epithelium which is sometimes slightly calcified. Internal to the fleshy upper lip is a small, hard plate upon which the lower lip bears. Young fish have a more rounded lower lip, when viewed either laterally or from below. Digestive tract in adults is about twice the length of the body, with most of its length consisting of a coiled section posterior to the entry of the bile duct (Ref. 52680).
描述: 延长, 些微扁长形的身体。 尾柄狭窄的。 尾部大而发光的。 下颌有一个锐利的边缘, 几乎方形当在从看了之下。 唇的锐利部份有 cornified 上皮有时些微地是变成石灰质。 内在的到肉质的上嘴唇是下面的唇有的一个小又坚硬的碟在。之上 幼鱼有一个更多的圆形下唇, 当看或侧面地或者从下方。 消化管当成鱼时是大约长度两倍于身体, 具有大部分的包含一个被盘绕的部分它的长度在轮胆管的进入后面。 体腔的衬里是墨黑色。

生物学特性     字汇 (例如 epibenthic)

Occurs in flowing pools and runs over sand and gravel in creeks and small to medium rivers; also in margins of lakes (Ref. 86798). Adults feed mainly on diatoms, also on filamentous algae; young feed on surface insects (Ref. 1998).

在小溪及小型到中型河川中栖息于在沙与碎石上的流动潭水与支流; 也在湖的边缘中。 成鱼主要捕食硅藻, 也吃丝状的藻类; 幼鱼捕食水面的昆虫。 (参考文献 1998)

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

北美洲: 在加拿大的英屬哥倫比亞,華盛頓,愛達荷,奧勒岡州與美國內華達州的菲沙河與哥倫比亞河流域; 在美國的奧勒岡州的 Harney 河流域。

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. 123251)

  最不相关 (LC) ; Date assessed: 12 October 2011

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 低经济
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生态毒物学
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孕卵数

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特别资料

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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 | 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. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00445 - 0.02830), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  2.1   ±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 (tm=3-4).
脆弱性 (Ref. 59153):  Moderate vulnerability (44 of 100) .
价格分类 (Ref. 80766):   Unknown.