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: Platygobio: Greek, platys = flat + Latin, gobius = gudgeon (Ref. 45335); gracilis: gracilis - slender (Ref. 1998).
More on author: Richardson.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 70°N - 30°N
North America: Mackenzie, Saskatchewan, and Lake Winnipeg drainages in Canada; Missouri-Mississippi River basin from southern Alberta in Canada and Montana to Louisiana, USA; Arkansas River drainage in USA; and upper Rio Grande (including Pecos) drainage in New Mexico, USA. Two subspecies usually recognized: Platygobio gracilis gracilis in northern and eastern parts of range, and Platygobio gracilis gulonella in southern and western parts of range.
北美洲: 在加拿大的 Mackenzie ,薩斯卡萬與湖溫尼伯流域; 來自南方的加拿大亞伯達省與美國路易斯安那州的蒙大納的密蘇里-密西西比的河流域; 在美國新墨西哥州的大河上游 (包括佩科斯河) 流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 14.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Inhabits sandy runs of small to large turbid rivers (Ref. 86798). Feeds mainly on terrestrial and aquatic insects, occasionally on small fishes. Spawning probably occurs from June to August (Ref. 1998).
棲息於小型到大型混濁的河多沙的支流。 主要吃陸生與水生昆蟲, 偶然地捕食小魚。 可能產卵從六月到八月。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
北美洲: 在加拿大的 Mackenzie ,薩斯卡萬與湖溫尼伯流域; 來自南方的加拿大亞伯達省與美國路易斯安那州的蒙大納的密蘇里-密西西比的河流域; 在美國新墨西哥州的大河上游 (包括佩科斯河) 流域。
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)
人類使用
漁業: 低經濟
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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=0.00501 (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): 4.2 ±0.4 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Fec=4,974).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).