Semotilus atromaculatus, Creek chub

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Semotilus atromaculatus (Mitchill, 1818)

Creek chub
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Semotilus atromaculatus
Male picture by Seelig, C.

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

Teleostei > Cypriniformes (Carps) > Leuciscidae (Minnows) > Plagopterinae
Etymology: Semotilus: Greek, sema = banner (dorsal fin) + Greek, tilos = spotted; used by Rafinesque (Ref. 45335);  atromaculatus: From the words ater, meaning black; and maculatus, spotted (Ref. 10294).
More on author: Mitchill.

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

; 淡水 居于水底的. 溫帶; 0°C - 30°C (Ref. 35682); 55°N - 31°N

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

North America: most of east USA and southeast Canada in Atlantic, Great Lakes, Hudson Bay, Mississippi, and Gulf basins as far west as Saskatchewan, Wyoming, and Brazos River in Texas, but absent from Florida and south Georgia; isolated population in the upper Pecos and Canadian River systems, New Mexico. Introduced elsewhere in USA.
北美洲: 在大西洋,五大湖,哈得遜灣, 密西西比與灣流域的大部分的美國東部與加拿大東南部遠達曼尼托巴,蒙大納,懷俄明州,科羅拉多,俄克拉荷馬州與德克薩斯, 但是喬治亞州南部與佛羅里達半島沒有出現; 佩科斯河上游與加拿大河流域,新墨西哥州。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 30.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 10294); common length : 19.1 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 8 年 (Ref. 12193)

简单描述 型态特徵 | 形态测量图

背的软条 (总数): 8. Semotilus atromaculatus is distinguished by having the following characters: body barely compressed at front, compressed at caudal peduncle; mouth pointed; 47-65 scales on lateral line; dorsal fin with 8 rays; large black spot at front of dorsal fin base, black caudal spot (not distinct in large individuals); large terminal mouth reaching past front of eye. Coloration consists of gray-brown above, dark stripe along back; herringbone lines on upper side in young; dusky black stripe (darkest on young) along olive-silver side, around snout and onto upper lip; black bar along back of gill cover; and orange at dorsal base, orange lower fins, blue on side of head, pink on lower half of head and body, and 6-12 large tubercles on head in breeding males (Ref. 86798).

生物学特性     字汇 (例如 epibenthic)

Inhabits rocky and sandy pools of headwaters, creeks and small rivers (Ref. 5723, 86798). Mostly found in tiny, intermittent streams. Young feed on small aquatic invertebrates while adults consume small fish, crayfish and other large invertebrates (Ref. 10294). One of the most common fishes in eastern North America (Ref. 86798).

栖息于河川源头,小溪与小河的岩石而沙水池。 在北美洲东部中最普遍鱼之一。

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

Male digs a pit in the stream bottom by removing mouthful of gravel, guards the pit and attempts to attract females. Spawning occurs over the pit. Male guards the nest from intruders. As eggs are deposited in the pit, the male covers them with stones and excavates another pit immediately downstream. As spawning continues and the male covers the eggs, a long ridge of gravel develops. 北美洲: 在大西洋,五大湖,哈得遜灣, 密西西比與灣流域的大部分的美國東部與加拿大東南部遠達曼尼托巴,蒙大納,懷俄明州,科羅拉多,俄克拉荷馬州與德克薩斯, 但是喬治亞州南部與佛羅里達半島沒有出現; 佩科斯河上游與加拿大河流域,新墨西哥州。

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. 130435)

  最不相关 (LC) ; Date assessed: 01 March 2012

CITES

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 |

更多信息

俗名
同种异名
新陈代谢
捕食者
生态毒物学
繁殖
成熟度
产卵场
产卵群集
孕卵数

卵的发育
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特别资料

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网络资源

AFORO (otoliths) | Alien/Invasive Species database | 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 | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00250 - 0.01453), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.0   ±0.5 se; based on diet studies.
Generation time: 3.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
回复力 (Ref. 120179):  中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=8; tm=2.5; K=0.41; Fec=2,225).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).