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: Garcialebias: Named for Dr Graciela García and the Greek, 'lebias'; nigrofasciatus: Name from the Latin nigrum for black and fasciatus meaning with stripes, in reference to the color pattern of the male specimens of this species (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: inner drainages between laguna dos Patos and lagoa Mirim, southern Brazil.
南美洲: 在小湖之間的內部流域做 Patos 與 lagoa Mirim ，巴西南部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 96654); 最大體重: 2.60 g (Ref. 96654)
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 - 23; 臀棘: 0; 臀鰭軟條: 18 - 26; 脊椎骨: 27 - 30. Two apomorphic color patterns, body bright gray with dark gray to black stripes in males (versus light gray or no stripes) 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). Males with light blue stripes parallel to rays on the basal half of unpaired fins and a black blotch anteriorly bordered by a narrow blue line on posterior portion of dorsal and anal fins. Scales on longitudinal series 26-28, supraorbital neuromasts 16-19, pharyngobranchial teeth 2-5. Dorsal fin origin anterior to anal fin origin in females. Caudal fin rounded.
二個 apomorphic 彩色斑紋, 身體明亮的在雄性 (對淡灰色或沒有斑紋) 與一個垂直成對黑色的斑塊中灰色的有深灰色到黑色的斑紋以稚魚與雌性是在尾梗上.(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) 雄性有淺藍色斑紋在與前面地接壤的狹窄藍色的線背鰭與臀鰭的在後部部分的基部一半的不成對的鰭與一個黑色的斑塊上平行於鰭條。 在縱向的系列 26-28 上的鱗片, 眶上的神經瘤 16-19 ，咽鰓骨齒 2-5. 在雌性中的背鰭起點臀鰭前面起源。 尾鰭圓的。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在小湖之間的內部流域做 Patos 與 lagoa Mirim ，巴西南部。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
瀕危 (EN) (B1ab(ii,iii)); Date assessed: 07 November 2018
人類使用
漁業: 沒有興趣
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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=0.00977 (0.00553 - 0.01726), b=3.20 (3.04 - 3.36), in cm total length, based on LWR estimates for this species & (Sub)family-body (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).
