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Erimystax insignis (Hubbs & Crowe, 1956)

Blotched chub
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Image of Erimystax insignis (Blotched chub)
Erimystax insignis
Male picture by N. Burkhead & R. Jenkins, courtesy of VDGIF

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Erimystax: Greek, eri = aumentative prefix, a lot + Greek, mystax = moustache (Ref. 45335)insignis: From the words eri, an intensifying prefix; stigma, spot; and insignis, meaning remarkable (referring to the distinct pigment pattern) (Ref. 10294).
More on authors: Hubbs & Crowe.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 居於水底的. 溫帶; 38°N - 34°N

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

North America: Cumberland and Tennessee River drainages in Virginia, North Carolina, Kentucky, Tennessee, Georgia and Alabama, USA.
北美洲: 維吉尼亞的坎伯蘭河與田納西州河流域,北卡羅萊那州,肯塔基州,田納西州,喬治亞州與阿拉巴馬州。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 86798); common length : 6.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193)

生物學特性     字彙 (例如 epibenthic)

Inhabits rocky riffles and runs of clear small to medium rivers (Ref. 86798). Feeds on periphyton and aquatic insect larvae dominated by dipterans (midges and blackflies) and mayflies (Baetidae and Potamanthus) (Ref. 10294).

棲息於清澈小型到中型的河岩石的急流與小支流;(參考文獻 5723,10294) 也發現於中等大小的小溪。 吃固著生物,而且水生的昆蟲幼生被雙翅類昆蟲 (蚊與黑蠅) 與孚游類 (Baetidae 與 Potamanthus) 控制.。 (參考文獻 10294)

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

北美洲: 維吉尼亞的坎伯蘭河與田納西州河流域,北卡羅萊那州,肯塔基州,田納西州,喬治亞州與阿拉巴馬州。

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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: Version 2024-2)

  無危 (LC) ; Date assessed: 07 October 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





人類使用

FAO - Publication: search | FishSource |

更多資訊

Trophic ecology
食物相
食性組成
食物消耗量
Food rations
捕食者
Ecology
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成長參數
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Length-weight rel.
Length-length rel.
長度-頻率
Mass conversion
入添量
豐度
Life cycle
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成熟度
Maturity/Gills rel.
孕卵數
產卵場
Spawning aggregations

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參考文獻

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網路資源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00242 - 0.01036), b=3.11 (2.92 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.9   ±0.4 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).