分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Rhinichthys: Greek, rhinos = nose + Greek, ichthys = fish (Ref. 45335); osculus: osculus meaning small-mouthed (Ref. 1998).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 6.8 - 7.8; dH range: 5 - 25. 溫帶; 9°C - 11°C (Ref. 3672); 49°N - 31°N
North America: western drainages (Pacific and endorheic) from Columbia River in British Columbia, Canada to Colorado River in Arizona and New Mexico, USA and south into Sonora, Mexico.
北美洲: 西方的流域 (太平洋與內流的) 從加拿大英屬哥倫比亞的哥倫比亞河到美國亞歷桑那州與新墨西哥州的科羅拉多河而且向南進入墨西哥順拿那。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 11.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 6.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
背棘 (總數) : 0; 背的軟條 (總數) : 8 - 9; 臀棘: 0; 臀鰭軟條: 6 - 7; 脊椎骨: 37 - 38. Body elongate, greatest depth in front of dorsal fin. Head bluntly triangular, a small but distinct hump present behind the head. Mouth inferior, sucker-like, lower jaw with fleshy lip. Overall coloration gray or gray-brown with scattered and vague darker flecks, usually above midline of sides; lower sides and belly somewhat yellowish or creamy white. A faint lateral band present.
細長的身體, 在背鰭之前的最大高度。 頭部鈍地三角形的, 小但是明顯的隆起出現在頭部後面。 嘴下方的﹐像吸管一樣的, 下頜有肉質的唇。 整體的顏色灰色或灰褐色有分散的與模糊的較深色的斑紋, 通常在側邊的中線之上; 下側與腹面略微淡黃色或乳脂色的白色。 一個模糊的側面條紋呈現。
Occurs in rocky riffles, runs and pools of headwaters, creeks and small to medium rivers; rarely in lakes (Ref. 5723, 86798).
棲息於岩石的急流，河川源頭的小支流與水潭，小溪及小型到中型河川; 極少在湖。 (參考文獻 5723) 一些重要作為餌料魚種而且廣泛地在美國當作魚餌使用魚。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 西方的流域 (太平洋與內流的) 從加拿大英屬哥倫比亞的哥倫比亞河到美國亞歷桑那州與新墨西哥州的科羅拉多河而且向南進入墨西哥順拿那。
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: 10 September 2018
人類使用
誘餌: usually
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00232 - 0.01084), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.36 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
