Nematocharax costai Bragança, Barbosa & Mattos, 2013
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Characiformes (Characins) > Acestrorhamphidae (American tetras) > Stichonodontinae
Etymology: Nematocharax: Greek, nemas, -atos = filament + Greek, charax = a marine fish without identification (Ref. 45335); costai: Named for Wilson Costa, notably known for his great contribution in Ichthyology and for his main role in planning the expedition and first to recognize the new species in the field.
Eponymy: Dr Wilson Jose Eduardo Moreira da Costa is a Brazilian biologist and ichthyologist. [...] (Ref. 128868), visit book page.
Etymology: Nematocharax: Greek, nemas, -atos = filament + Greek, charax = a marine fish without identification (Ref. 45335); costai: Named for Wilson Costa, notably known for his great contribution in Ichthyology and for his main role in planning the expedition and first to recognize the new species in the field.
Eponymy: Dr Wilson Jose Eduardo Moreira da Costa is a Brazilian biologist and ichthyologist. [...] (Ref. 128868), visit book page.
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.
分布 領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Cambiriba Stream, Balneário Guaíra, middle Contas River basin in northeastern Brazil.
大小 / 重量 / 年齡
簡短描述 檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 33. Distinguished by having the following unique combination of characters: dorsal, anal and pelvic fins with elongated branched rays; two rows of premaxillary teeth in adults, and an almost complete row of teeth along the free ventral maxillary border. Differs from its unique congener, Nematocharax venustus, by having the following characters: absence of hooks or spinules on dorsal and pelvic-fins (vs. presence); five anal-fin rays with spinules (vs. more than seven rays); presence of a long dark pink horizontal mark on the caudal peduncle (vs. absence); five supraneurals (vs. four or fewer); pelvic-fin filament yellow (vs. pale rosy) (Ref. 93323).
Body shape (shape guide): short and / or deep.
Body shape (shape guide): short and / or deep.
Occurs in sandy bottom fast running water stream, with about 7 m width, 1 m depth and pale brown and turbid water. Found under marginal vegetation (Ref. 93323).
生命週期和交配行為 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
主要參考資料
上傳您的推薦信 | 參考文獻 | 合作者 | 合作者
Bragança, P.H.N., M.A. Barbosa and J.L. Mattos, 2013. A new Nematocharax species from the middle Contas River basin, northeastern Brazil (Characiformes: Characidae). Verteb. Zool. 63(1):3-8. (Ref. 93323)
CITES
Not Evaluated
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更多資訊
營養生態學
食物項目（獵物）
食性組成
食物消耗量
食物配給
捕食者
食物項目（獵物）
食性組成
食物消耗量
食物配給
捕食者
生態學
生態學
生態學
人口動態
成長參數
最大年齡/尺寸
長度重量比
長度關係
長度-頻率
質量轉換
入添量
豐度
成長參數
最大年齡/尺寸
長度重量比
長度關係
長度-頻率
質量轉換
入添量
豐度
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
工具
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網路資源
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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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00581 - 0.03597), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).