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: Austrolebias: Composed from Austro = the south + see under Lebias; charrua: Named after an indiginous tribe that used to inhabit southern Estado do Rio Grande do Sul (Ref. 44045).
More on authors: Costa & Cheffe.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 非遷移的. 熱帶
South America: Laguna dos Patos basin in Brazil.
南美洲: 在巴西的 Laguna dos Patos 流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 44045); 4.2 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 16 - 26; 臀棘: 0; 臀鰭軟條: 21 - 29; 脊椎骨: 28 - 31. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes; stripes of equal size to, or wider than the light interspaces) and a vertically paired black blotch on caudal peduncle of juveniles and females (versus small spots irregularly arranged, or a single round dorsally positioned spot, or no spots on caudal peduncle). Scales on longitudinal series 28-30, supraorbital neuromasts 19-24, caudal fin rounded (fin rays 23-26), pharyngobranchial teeth 2-5. Dorsal fin origin anterior to anal fin origin in females.
二個 apomorphic 彩色斑紋, 身體明亮的在雄性中灰色的有深灰色到黑色的斑紋 (對淡灰色或沒有斑紋; 斑紋大小相等的到, 或比淡的間隙寬) 與一個垂直成對黑色的斑塊在尾梗上稚魚與雌性.(對小的斑點不規則地安排, 或一個圓背面放置了斑點 , 或沒有斑點在尾梗上) 在縱向的系列 28-30 ，眶上的神經瘤 19-24 上的鱗片, 尾鰭圓的 (鰭條 23-26), 咽鰓骨齒 2-5. 在雌性中的背鰭起點臀鰭前面起源。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 在巴西的 Laguna dos Patos 流域。
Costa, W.J.E.M. and M.M. Cheffe, 2001. Three new annual fishes of the genus Austrolebias from the Laguna dos patos system, southern Brazil, and a rediscription of A. adloffi (AHL) (Cyprinodontiformes: rivulidae). Comun. Mus. Ciênc. Tecnol. PUCRS, Sér. Zool. Porto Alegre 14(2):179-200. (Ref. 44045)
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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=0.00891 (0.00396 - 0.02008), 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): 3.2 ±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).
