分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Percoidei (Perchs)
鱸形目 (Perchs) >
Percidae (Perches)
鱸科 (Perches) > Etheostomatinae
Etymology: Percina: Latin, diminutive of perch = perch (Ref. 45335); sipsi: The specific name, sipsi, is the Chickasaw-Choctaw Indian name for poplar or cottonwood tree, and is the origin of “Sipsey” in the stream name, Sipsey Fork of the Black Warrior River (Foscue 1989), to which this species is endemic. The common name,.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 深度上下限 0 - 2 m (Ref. 58738). 溫帶; 35°N - 33°N, 88°W - 86°W
North America: United States of America. Percina sipsi is known only from the Sipsey Fork of the Black Warrior River in the Bankhead National Forest in northwestern Alabama. It occurs in Borden Creek in Lawrence County, and Brushy Creek, Caney Creek, and Sipsey Fork (recorded as West Fork Sipsey River on some maps) in Winston County. While the current known range of P. sipsi is very limited and confined downstream by Lewis Smith Reservoir, historically it is possible that the species ranged farther downstream in the Sipsey Fork and conceivably in the Locust and Mulberry forks of the Black Warrior River, which are all located in the Cumberland Plateau physiographic province. Riverine habitat in the lower reaches of the Sipsey Fork was destroyed in 1960 by the Alabama Power Company impoundment behind Lewis Smith Dam. The current distribution of P. sipsi represents the most restricted range of any known species of Percina (Ref. 58738).
北美洲: 美國。 Percina sipsi 在阿拉巴馬州西北部中在 Bankhead 中被已知只來自黑武士河的 Sipsey 叉子國立森林。 它出現於在勞倫斯縣的 Borden 小溪中，而且如毛刷的小溪， Caney 小溪與 Sipsey 在溫斯頓縣分支 (記錄如在一些地圖上的叉子 Sipsey 河西方部) 。 然而知道 P. sipsi 的範圍的水流非常有限制而且限制路易斯史密斯水庫的下游, 在歷史上可能此魚種排列更遠的下游在 Sipsey 中叉子與想得到地在蝗蟲與黑武士河的桑樹叉子中, 那是所有的被位於的康勃蘭高地 physiographic 省。 Sipsey 叉子的下面範圍的河的棲息地在 1960 年被破壞藉由在路易斯史密斯水壩後面的阿拉巴馬州電力公司圈圍水域。 P. sipsi 的水流分布代表最限制 Percina 的任何已知種的範圍。 (參考文獻 58738)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.0 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 sipsi is one of the two smallest species in the genus Percina, rarely exceeding 50 mm SL (P. brevicauda, maximum SL is 50 mm, see Suttkus et al. 1994). Percina sipsi 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 fused into continuous dark brown to black lateral stripe with undulating margins; lateral stripe continuous with large, somewhat quadrate basicaudal blotch that extends onto base of caudal fin rays; small, dark blotch on upper and lower portion of caudal fin base, dorsal blotch typically darker; body below
lateral stripe white to cream colored, without dark blotches, becoming dusky in breeding males; 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 scales 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 project 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 sipsi 在本屬 Percina 中是兩者之一小的種, 很少超過 50 mm SL( P. brevicauda, 最大的 SL 是 50 mm, 見 Suttkus 等人。 1994)。 Percina sipsi 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融合成連續的深褐色的到黑色的側面斑紋了; 側面的斑紋與在尾鰭基底鰭條之上延伸的大又略微正方形的基尾骨斑塊續接在一起; 小的, 在尾鰭基底的上、下部分上的黑色斑塊, 背部的斑塊典型比較深色的; 下面的身體
側面的斑紋白色到乳黃色的色彩,沒有深色的斑塊, 在繁殖期的雄性中變成暗色; 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; 雄性有在腹面與在腹鰭基底之間的一或二個變異的鱗片中線上的變異鱗片的列；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; 吻不會突出超過上頜的前緣; 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)
Ramsey (1976) published the first conservation status review of Percina sipsi and reported it to be a threatened species. Although the assigned conservation status category has varied in subsequent evaluations (Deacon et al. 1979; Ramsey 1984; Williams et al. 1989; Warren et al. 2000), all authors considered the Bankhead Darter’s continued existence to be in a precarious situation. In the most recent assessment of conservation status of Alabama wildlife, Kuhajda (2004) reported it as a species of highest conservation concern. The entire range of this species is in the Bankhead National Forest, providing some level of protection. the authors consider P. sipsi to be highly endangered based on its restricted distribution, rarity within the occupied range, habitat vulnerability, and absence of downstream habitat for future recovery. Percina sipsi is extremely vulnerable and needs continuous monitoring and proactive management actions to prevent extinction (Ref. 58738).
拉姆西 (1976) 出版. Percina sipsi 的第一個保護狀態檢討而且報告它是一個受威脅種。 雖然被分配的保護狀態種類已經在後來的評估方面改變 (副主祭等人。 1979; 拉姆西 1984 世; 威廉斯等人。 1989; 華倫等人。 2000), 認為 Bankhead Darter 的繼續生存的所有作家在一種不穩定的情形中。 在阿拉巴馬州野生生物的保護狀態的最最近評估中， Kuhajda(2004) 報告它作為一個最高的保護關心的種。 整個範圍的這種在 Bankhead 中是國立森林,提供一些程度的保護。 作家考慮 P. sipsi 高度瀕臨絕種建立在它的侷限分佈, 被佔領的範圍，棲息地弱點裡面的稀有性, 而且為將來的恢復缺乏向下游的棲息地。 Percina sipsi 非常易受傷害而且需要連續的監聽與積極的管理行動避免滅絕。 (參考文獻 58738)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 美國。 Percina sipsi 在阿拉巴馬州西北部中在 Bankhead 中被已知只來自黑武士河的 Sipsey 叉子國立森林。 它出現於在勞倫斯縣的 Borden 小溪中，而且如毛刷的小溪， Caney 小溪與 Sipsey 在溫斯頓縣分支 (記錄如在一些地圖上的叉子 Sipsey 河西方部) 。 然而知道 P. sipsi 的範圍的水流非常有限制而且限制路易斯史密斯水庫的下游, 在歷史上可能此魚種排列更遠的下游在 Sipsey 中叉子與想得到地在蝗蟲與黑武士河的桑樹叉子中, 那是所有的被位於的康勃蘭高地 physiographic 省。 Sipsey 叉子的下面範圍的河的棲息地在 1960 年被破壞藉由在路易斯史密斯水壩後面的阿拉巴馬州電力公司圈圍水域。 P. sipsi 的水流分布代表最限制 Percina 的任何已知種的範圍。 (參考文獻 58738)
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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00235 - 0.01227), b=3.14 (2.94 - 3.34), 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.
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).
