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. ; 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).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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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合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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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).