分類 / Names
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) >
Rivulidae (Rivulines)
溪鱂科 (Rivulines) > Cynolebiinae
Etymology: flavicaudatus: From the Latin 'flavus' (yellow) and 'caudatus' (with caudal fin), an allusion to the color pattern of the males.
More on authors: Costa & Brasil.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性; 非遷移的. 熱帶; 22°C - 26°C (Ref. 13614)
South America: São Francisco River basin, Brazil.
南美洲: Minas Gerais 巴西。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 8.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 36579)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 16 - 24; 臀鰭軟條: 19 - 24; 脊椎骨: 28 - 30. Caudal peduncle of female with black spots. Male's anal fin with gray to black distal stripe, iridescent dots restricted to posterior portion of the fin, anterior part pink and posterior yellow; basihyal broad, 70-95% in length; and, second pharyngobranchial teeth, 5-10. Dorsal-fin rays 22-24 in male, 16-18 in female; anal-fin rays 23-24 in male, 19-21 in female; caudal-fin rays 24-26, caudal fin subtruncate in male, rounded in female. Possess minute pectoral-fin contact organs, and no black blotches and round brilliant spots on anterobasal part of dorsal fin of male (Ref. 49550).
Body shape (shape guide): short and / or deep; Cross section: compressed.
尾柄母魚有黑色的斑點。 雄性的臀鰭有灰色的到黑色的末梢部的斑紋, 彩虹色的點侷限於鰭的在後部部分，前部粉紅與在後部的黃色了; 基舌骨寬的,70-95% 長; 並且, 第二個咽鰓骨齒， 5-10. 在雄魚中的背鰭鰭條 22-24,16-18 母魚; 在雄魚中的臀鰭棘條 23-24,19-21 母魚; 尾鰭鰭條 24-26, 在雄魚中的尾鰭子截形, 母魚圓的。 持有細小的胸鰭接觸在一起器官, 而且在雄魚的背鰭的 anterobasal 部份上沒有黑色的斑塊與圓的色彩豔麗的斑點。 (參考文獻 49550)
Found in temporary pools (Ref. 89836). Bottom spawner, 3 months. Is difficult to maintain in aquarium (Ref. 27139).
底部產卵魚， 3個月。 在水族館是難以維持。 (參考文獻 27139)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Minas Gerais 巴西。
Costa, W.J.E.M., 2003. The Simpsonichthys flavicaudatus species group (Cyprinodontiformes: Rivulidae: Cynolebiatinae): phylogenetic relationships, taxonomic revision and biogeography. Ichthyol. Explor. Freshwat. 14(1):31-60. (Ref. 49550)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (B1ab(ii,iii)+2ab(ii,iii)); Date assessed: 18 May 2022
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.3 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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