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Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Pimephales: Greek, pimeles, -es = fat + Greek, phales = whale; if the root is Greek, phales, -etos = penis (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 溫帶; 39°N - 33°N
North America: in southern Missouri, eastern Kansas, Arkansas and northeastern Oklahoma, USA. Previously, 2 subspecies were recognized: Pimephales tenellus parviceps in the Castor, St. Francis, Black, White, lower Kansas, Ouachita and Little River systems; Pimephales tenellus tenellus in the Arkansas River drainage west of Arkansas-Oklahoma state line.
北美洲: 在密蘇里南部，堪薩斯州東部，阿肯色州與克拉荷馬州東北部中。 二個亞種: 在嘉時多河,聖法蘭西斯河,黑河,白河,和堪薩斯河下游, 歐奇塔河與小的河流域中的 嬌胖頭鱥〔Pimephales tenellus〕 parviceps; 阿肯色河流域的 嬌胖頭鱥〔Pimephales tenellus〕 tenellus 位於阿肯色州-俄克拉荷馬州的州界西方。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5723); common length : 5.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)
Inhabits sand-bottomed and gravel-bottomed pools and runs of creeks and small rivers.
棲息於小溪與小河的砂質底而礫石底水潭與急流。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 在密蘇里南部，堪薩斯州東部，阿肯色州與克拉荷馬州東北部中。 二個亞種: 在嘉時多河,聖法蘭西斯河,黑河,白河,和堪薩斯河下游, 歐奇塔河與小的河流域中的 嬌胖頭鱥〔Pimephales tenellus〕 parviceps; 阿肯色河流域的 嬌胖頭鱥〔Pimephales tenellus〕 tenellus 位於阿肯色州-俄克拉荷馬州的州界西方。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 01 March 2012
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.7 ±0.1 se; based on size and trophs of closest relatives
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).
