分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers)
鱂形目 (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids)
花鱂科 (Poeciliids) > Poeciliinae
Etymology: Cnesterodon: Greek, knester, -eros = scraper (Ref. 45335); pampeanus: Name 'pampeanus' from the type locality of the species, Pampa.
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: Argentina.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 2.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 138477)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 7; 臀鰭軟條: 7 - 8; 脊椎骨: 31. This species is distinguished from its congeners by the following set of characters: 7-10 irregular dark-brown dashes on the flanks, becoming circular toward the caudal end, with spots covering 1-3 scales in transverse row; dark-brown longitudinal line along flank; males and juvenile females with dark midventral postanal line, extending to caudal peduncle; post-gonopodium blotch absent in flanks of males and juvenile females; bony style at gonopodial tip of adult males relatively short and strongly curved dorsally, bearing a V-shaped ventral structure, formed by two short bony projections at its subdistal end; bony style covered by a broad membrane; terminal filament of gonopodium absent; and snout pointed and long (18.3%-24.9% HL) (Ref. 138477).
Body shape (shape guide): elongated; Cross section: oval.
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Taglioretti, V., M.A. Rossin, M.M. Irigoitia and J.T. Timi, 2025. Masked behind Cnesterodon decemmaculatus (Cyprinodontiformes: Poeciliidae): integrative taxonomy uncovers a new Cnesterodon species with broad ecological and biogeographic implications. Can. J. Zool. 103:1-18. (Ref. 138477)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
人類使用
漁業: 沒有興趣
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00851 (0.00379 - 0.01909), b=3.15 (2.96 - 3.34), 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) |
3.0 ±0.4 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.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |