分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Mylocheilus: Greek, mylo = mill + Greek, cheilos =lip (Ref. 45335); caurinus: Species name taken after caurus which means northwest wind; named caurinus --- northwestern (Ref. 1998).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水; 半咸淡水 居于水底的. 溫帶; 59°N - 40°N
North America: Nass (Pacific Slope) and Peace River (Arctic basin) systems in British Columbia, Canada south to Columbia River drainage in Oregon and Idaho, USA; also in Vancouver, British Columbia and Mackenzie River drainage (Arctic basin) in Northwest Territories, Canada (Ref. 86798). Sometimes occurs at Spanish Banks (Ref. 4569).
北美洲: 在加拿大卑詩省的 Nass(太平洋斜坡) 與和平河 (北極流域) 系統南至美國奧勒岡州與愛達荷州的哥倫比亞河流域; 也在加拿大溫哥華與其他的海岸島。 有時發生於西班牙語淺堆。 (參考文獻 4569)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 24.9 range ? - ? cm
Max length : 36.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 19.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 1998); common length :22.5 cm SL (female)
背的软条 (总数) : 8; 臀鳍软条: 8. Lateral line complete with 66-84 scales; dorsal fin with 8 rays; anal fin with 8 rays; molarlike pharyngeal teeth 1,5--5,1; slender body, somewhat compressed; large eye; long rounded snout; barbel at corner of slightly subterminal mouth; large forked caudal fin; dorsal-fin origin over or in front of pelvic-fin origin; axillary process at pelvic-fin base; dark gray-brown to green above; 2 dark stripes, lower one ending in front of anal fin, on silver yellow side; yellow to brown fins; and large male with red on side, belly mouth, gill cover and pectoral-fin base (Ref. 86798).
Inhabits lakes and slow-flowing areas of small to medium rivers. Common around vegetation (Ref. 86798). Forms schools. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569). Feeds mainly on aquatic insects and its larvae and some terrestrial insects (Ref. 10288); but also on planktonic crustaceans, mollusks, and small fishes (Ref. 1998). Preyed upon by fish-eating birds and mammals (Ref. 1998). Utilized as game fish and as food in the past (Ref. 1998).
在小而中等河的湖与缓慢流动区域中形成鱼群。 最常见植物的周围。 能抵抗半咸淡水域一个有限制的时期。 (参考文献 1998) 最近孵化了在被迁进较深的水域夏天时的海岸附近的个体鱼群。 (参考文献 4569) 主要吃水生昆虫与它的仔鱼与一些陆栖的昆虫;(参考文献 10288) 也捕食浮游性甲壳动物，软件动物与小鱼。 (参考文献 1998) 被吃鱼的鸟与哺乳动物捕食了。 (参考文献 1998) 用来作游钓鱼类与当作食物在以前了。 (参考文献 1998)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Spawning fish come close to shore in groups of 50-400. Groups are about 25 to 100 feet apart from each other. Females are crowded by 2 or more males into 1 or 2 inches of water by the shoreline and eggs and sperms are released.北美洲: 在加拿大卑詩省的 Nass(太平洋斜坡) 與和平河 (北極流域) 系統南至美國奧勒岡州與愛達荷州的哥倫比亞河流域; 也在加拿大溫哥華與其他的海岸島。 有時發生於西班牙語淺堆。 (參考文獻 4569)
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)
人类利用
渔业: 商业性; 水族馆: 公众的水族馆
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00376 - 0.01926), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.49 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tm=4).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (26 of 100).
