Etheostoma sagitta (Jordan & Swain, 1883)
Arrow darter
分類 / 名稱 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: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); sagitta: The specific epithet sagitta means arrow (Ref. 10294).
More on authors: Jordan & Swain.
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); sagitta: The specific epithet sagitta means arrow (Ref. 10294).
More on authors: Jordan & Swain.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍 生態學
; 淡水 底中水層性. 亞熱帶的; 38°N - 36°N
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
North America: upper Cumberland River drainage in Kentucky and Tennessee, USA.
北美洲: 發現在肯塔基州與美國田納西州只在肯塔基州上游與坎伯蘭河上游流域中。
北美洲: 發現在肯塔基州與美國田納西州只在肯塔基州上游與坎伯蘭河上游流域中。
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
Distinguished by having the following characters: body long and slender; snout long and pointed; caudal fin base with 2 black spots partially fused into short bar; straw colored to olive above, 6-9 brown saddles; 7-9 large green Us alternate with orange bars (faint on female) along side; yellow below. Breeding males with bright orange bars on side, red-orange edge on 1st dorsal fin, bands of red -orange spots on 2nd dorsal and caudal fins, blue-green anal and pelvic fins. Lateral line usually incomplete, with 55-69 lateral scales, usually 63 or more; and 49-66 pored lateral-line scales, usually more than 52 (Ref. 86798).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Inhabits rocky riffles and pools of headwaters, creeks and small rivers (Ref. 5723, 10294). Feeds on mayfly nymphs (heptageniids, baetids), blackfly and midge larvae, and lesser numbers of caddisfly, stonefly, and beetle larvae (Ref. 10294).
棲息於河川源頭,小溪與小河的岩石急流與水池;(參考文獻 5723,10294) 也發現於溪流。 (參考文獻 10294) 吃孚游類蛹 (heptageniids, baetids) ，黑蠅與蚊仔魚 , 與 caddisfly ， stonefly 與甲蟲幼生的較少的數量。 (參考文獻 10294)
棲息於河川源頭,小溪與小河的岩石急流與水池;(參考文獻 5723,10294) 也發現於溪流。 (參考文獻 10294) 吃孚游類蛹 (heptageniids, baetids) ，黑蠅與蚊仔魚 , 與 caddisfly ， stonefly 與甲蟲幼生的較少的數量。 (參考文獻 10294)
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
北美洲: 發現在肯塔基州與美國田納西州只在肯塔基州上游與坎伯蘭河上游流域中。
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
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)
CITES
Not Evaluated
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無害處的
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更多資訊
解剖學
鰓區
腦部
耳石
鰓區
腦部
耳石
生理學
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
身體成分
營養素
耗氧量
游泳類型
游泳速度
視覺色素
魚聲
疾病與寄生蟲
毒性 (LC50s)
遺傳學
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
基因組
遺傳學
異種性
遺傳率
遺傳多樣性
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00303 - 0.01510), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Generation time: 1.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (K=0.67-0.79).