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> Cypriniformes (Carps) > Leuciscidae (Minnows) > Plagopterinae
Etymology: Couesius: From the American ornithologist Eliot Coues of the US Army Medical Coprs (Ref. 45335).
Eponymy: Dr Elliott Ladd Coues (pronounced ‘cows’) (1842–1899) was a US Army Surgeon who graduated from Columbia University (1861) then being appointed Assistant-Surgeon in the army (1864). [...] (Ref. 128868), visit book page.
More on author: Agassiz.
Etymology: Couesius: From the American ornithologist Eliot Coues of the US Army Medical Coprs (Ref. 45335).
Eponymy: Dr Elliott Ladd Coues (pronounced ‘cows’) (1842–1899) was a US Army Surgeon who graduated from Columbia University (1861) then being appointed Assistant-Surgeon in the army (1864). [...] (Ref. 128868), visit book page.
More on author: Agassiz.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水 底生の; pH range: 6.5 - 7.8; potamodromous (Ref. 126106). Temperate; 4°C - 25°C (Ref. 12468); 66°N - 40°N
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
North America: Alaska (Yukon River drainage); throughout most of Canada and northern USA; south to Delaware River in New York, south end of Lake Michigan, Illinois, Platte River system in Colorado, and Columbia River drainage in Washington, USA. Relict population in Mississippi River basin in Iowa, USA. Sometimes hybridizes with Rhinichthys cataractae in Lake Superior (Ref. 4564).
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 8.6 range ? - ? cm
Max length : 23.0 cm TL オス/雌雄の選別がない; (Ref. 86798); common length : 10.5 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 5 年 (Ref. 12193)
Max length : 23.0 cm TL オス/雌雄の選別がない; (Ref. 86798); common length : 10.5 cm TL オス/雌雄の選別がない; (Ref. 12193); 最大記録サイズ: 5 年 (Ref. 12193)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 8; 肛門の骨: 0; 臀鰭: 7 - 9; 脊つい: 39 - 44. Couesius plumbeus is distinguished by having the following characters: barbel at corner of large, barely subterminal mouth; moderately pointed snout; large eye; head flattened above and below; dorsal fin origin over or slightly behind pelvic fin origin; complete lateral line, 53-70 lateral scales; 8 anal rays, and pharyngeal teeth 2,4-4,2 (Ref. 86798). Spineless fins, normal jaws, and tiny barbel at the corner of the mouth (Ref. 27547). Body moderately compressed and slender, coloration include brown to green above, dark stripe along silver gray side, darkest on young and large male, sometimes black specks on side and belly, dusky caudal spot. Large male may have red at pectoral and pelvic fin origins, corners of mouth (Ref. 86797). In some populations, breeding males develop bright orange-red patches on sides of head and at bases of pectoral fins, but the presence of this color varies from place to place (Ref. 27547).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Adults inhabit virtually any body of water, standing or flowing, large or small (Ref. 5723, 86798). Common in gravel-bottomed pools and runs of streams and along rocky lake margins (Ref. 86798). Mostly found in shallow water, but may move to deeper parts of lakes during hot weather (Ref. 27547). They feed on zooplankton, algae, terrestrial and aquatic insects, and small fishes (Ref. 1998).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Spawning individuals form schools that move from lakes or deeper parts of streams to shallower water (Ref. 27547). Also Ref. 10280.
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
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)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; 水族館・水槽: 公共の水族館; 餌: occasionally
FAO - Publication: search | FishSource |
より多くの情報
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, 種 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | 公共の水族館 | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | 動物に関する記録
モデルに基づく推定値
|
系統多様性指数 (参照 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01023 (0.00549 - 0.01908), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
|
栄養段階 (参照 69278) |
3.4 ±0.43 se; based on food items. |
| Generation time | 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
|
回復力 (参照 120179) |
手段, １．４年～４．４年の倍増期間の最小個体群 (tm=2-4; tmax=5; K=0.36). |
|
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |
|
価格帯 (Ref. 80766) |
Unknown. |