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Percina smithvanizi Williams & Walsh, 2007

Muscadine Darter
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Percina smithvanizi
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drawing shows typical fish in this Family.

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

Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Percidae (Perches) 鱸科 (Perches) > Etheostomatinae
Etymology: Percina: Latin, diminutive of perch = perch (Ref. 45335);  smithvanizi: The authors named this species for their friend and colleague, Dr. William F. Smith-Vaniz, in recognition of his outstanding contributions to ichthyology in general and specifically for his authorship of the first book on the Freshwater Fishes of Alabama .

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

; 淡水 底中水層性; 深度上下限 0 - 1 m (Ref. 58738).   溫帶; 34°N - 32°N, 87°W - 85°W

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

North America: restricted to streams draining the region above the Fall Line in the Tallapoosa River system. It is widely distributed above the Fall Line except it is absent in upper reaches of the Little Tallapoosa River in Georgia, USA.
北美洲: 美國。 Percina smithvanizi 被侷限於在德拉普薩河流域中排水溝在瀑布線上面的區域的溪流。 廣泛地它是除了它以外分佈上方瀑布線在喬治亞州的小德拉普薩河的上游不存在.(見保護狀態)

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 6.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 58738)

簡短描述 型態特徵 | 形態測量圖

Percina smithvanizi is distinguished from all other described species of Percina by a combination of the following characteristics: absence of bright colors on body and fins of adults; no orange band in spinous dorsal fin; no broad vertical bands on body extending dorsally across the back joining those of the other side; 7–11 lateral blotches connected to form a continuous dark brown to black lateral stripe with undulating margins; lateral stripe continuous with large, somewhat quadrate basicaudal blotch, which extends onto base of caudal fin rays; a small dark blotch on upper and lower portion of caudal fin base, dorsal blotch typically darker; suborbital bar absent or very poorly developed; lateral line complete, typically no pored scales on base of caudal fin; males with row of modified scales on midline of belly and one or two modified scale between base of pelvic fins; modified breast scale absent; nuptial tubercles absent; anal fin of breeding males not excessively elongate; males without caudal keel as a ventral extension of the caudal peduncle; snout does not extend beyond anterior margin of upper jaw; broad premaxillary frenum present; serrae on margin of preopercle absent; branchiostegal membranes very narrowly joined to overlapping (Ref. 58738).
Percina smithvanizi 被下列特性的一個組合與全部其他被描述的 Percina 的種區分: 缺乏成魚是在身體與鰭上的鮮豔的色彩; 在刺狀的背鰭沒有橘色的條紋; 沒有在橫過背面延伸結合另一個的側邊的背部的身體上的寬的垂直條紋; 7-11 側部斑塊用波浪形的邊緣相連形成一條連續的深褐色的到黑色的側面斑紋了; 側面的斑紋與大又略微正方形的基尾骨斑塊續接在一起, 在尾鰭基底鰭條之上延伸; 在尾鰭基底的上、下部分上的一個小的黑色斑塊, 背部的斑塊典型比較深色的; 眶下骨橫帶不存在或非常發展不良的; 側線完整, 在尾鰭基底上的典型沒有有細孔的鱗片; 在腹鰭基底之間的腹面與一或二個變異的鱗片的中線上雄性有變異鱗片的列; 變異的胸部鱗片不存在; 珠星不存在; 繁殖期的雄性的臀鰭不過度地延長; 沒有尾部的龍骨脊的雄性作為一個尾梗的腹延長; 吻不延伸到超過上頜的前緣; 寬的上頜骨前的繫帶呈現; 在前鰓蓋骨的邊緣上的鋸齒 不存在; 鰓蓋薄膜非常狹窄地連到了部分重疊的.(參考文獻 58738)

生物學特性     字彙 (例如 epibenthic)

Percina smithvanizi is a relatively common darter in undisturbed streams above the Fall Line in the Tallapoosa River. However, it has disappeared in disturbed streams and impoundments associated with mainstream dams on the Tallapoosa River. It has also disappeared from most of the headwaters of the Little Tallapoosa River in Georgia. The species was regarded as vulnerable by Freeman et al. (2005).

Percina smithvanizi 是一相當普遍的在德拉普薩河中的瀑布線上面的未受到干擾的溪流中衝出。 然而, 它有在擾亂的溪流消失與圈圍水域在德拉普薩河上伴隨著主流水壩.。 也它有從在喬治亞州的大部分的小德拉普薩河的河川源頭消失。 此魚種被弗里曼等人視為易受傷害的。 (2005)。

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

北美洲: 美國。 Percina smithvanizi 被侷限於在德拉普薩河流域中排水溝在瀑布線上面的區域的溪流。 廣泛地它是除了它以外分佈上方瀑布線在喬治亞州的小德拉普薩河的上游不存在.(見保護狀態)

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

Williams, J.D., D.A. Neely, S.J. Walsh and N.M. Burkhead, 2007. Three new percid fishes (Percidae: Percina) from the Mobile Basin drainage ofAlabama, Georgia, and Tennessee. Zootaxa 1549:1-28. (Ref. 58738)

IUCN 瀕危狀態 (Ref. 119314)

  近危 (NT) ; Date assessed: 25 April 2012

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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  無害處的





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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00204 - 0.01288), b=3.14 (2.92 - 3.36), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±0.4 se; Based on size and trophs of closest relatives
回復力 (Ref. 69278):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (16 of 100) .