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: 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
生态学
; 淡水 居于水底的. ; 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.
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86798); common length : 14.3 cm TL 雄鱼/尚未辨别雌雄; (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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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: 低经济
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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).
营养阶层 (Ref.
69278): 4.2 ±0.4 se; based on diet studies.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Fec=4,974).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).