Siphateles bicolor, Tui chub

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Siphateles bicolor (Girard, 1856)

Tui chub
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Siphateles bicolor
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分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Leuciscidae (Minnows) > Laviniinae
Etymology: bicolor: Name from the Latin word 'vacca' meaning cow and 'ceps' meaning head, for the type locality; noun in apposition (Ref. 56397).
More on author: Girard.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性. 溫帶; 44°N - 35°N

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

North America: Columbia River drainage in Washington, Oregon and Idaho, south in Klamath and upper Pit River (Sacramento River drainage) and interior drainages of Nevada and California to Mohave River in south California, USA. Distinctive subspecies were recognized: Gila bicolor snyderi (protected) in Owens River, California; Gila bicolor mohavensis (protected) in Mojave River, California; Gila bicolor bicolor in Klamath River system in Oregon and California; Gila bicolor obesa, a stream and spring-inhabiting form; and G. bicolor pectinifer, a lake-inhabiting form, both in Lake Lahontan basin in Nevada.
北美洲: 華盛頓州的哥倫比亞河流域,奧勒岡州與愛達荷, 美國南方在克拉瑪斯河語與皮特河 (在薩克拉門托河河流域) 上游與內華達州與加州到美國南加州的摩哈維河的內部流域。 有明顯的亞種。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 8; 臀鰭軟條: 7 - 8. Siphateles bicolor can be distinguished by the following characters: lateral line with 41-64 scales; dorsal fin usually with 8 rays; anal fin with 7-8 rays; pharyngeal teeth 0,5-5,0; deep, compressed body; dorsal-fin origin over pelvic- fin origin; fairly deep caudal peduncle; small, rounded fins; small, terminal to slightly subterminal mouth; does not extend to eye; dusky olive to dark green above; brassy brown side, often mottled in adult; silver white to yellow below; clear to dusky olive fins; young with dusky stripe along side; large individuals may have yellow to copper fins with pink, red, or orange bases, red-orange lower side (Ref. 86798).

生物學特性     字彙 (例如 epibenthic)

Inhabits lakes and quiet, vegetated, mud or sand-bottomed pools of headwaters, creeks and small to large rivers (Ref. 86798).

棲息於河川源頭,小溪與小型到大型河川的湖與平靜,長滿植物的, 泥或砂質底水池。 明顯的亞種: 在歐恩河的 雙色骨尾魚〔Gila bicolor〕 snyderi(有遮蔽的), 加州; 在莫哈維沙漠河的 雙色骨尾魚〔Gila bicolor〕 mohavensis(有遮蔽的), 加州; 在奧勒岡州與加州的克拉瑪斯河系統的 雙色骨尾魚〔Gila bicolor〕 bicolor; 雙色骨尾魚〔Gila bicolor〕 obesa, 一個水流與居住於春天的形式與 G. b。 pectinifer, 一個居住於湖的形式,在內華達州在湖拉昂坦湖流域中。

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

北美洲: 華盛頓州的哥倫比亞河流域,奧勒岡州與愛達荷, 美國南方在克拉瑪斯河語與皮特河 (在薩克拉門托河河流域) 上游與內華達州與加州到美國南加州的摩哈維河的內部流域。 有明顯的亞種。

主要參考資料 Upload your references | 參考文獻 | 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)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 07 February 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00492 - 0.02938), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  2.0   ±0.2 se; based on size and trophs of closest relatives
Generation time: 5.8 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.19-0.33).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).