分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: gaucheri: Named for Philippe Gaucher, who found the first specimens, for its fascinating work on Amazonian fauna..
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 0 - ? m (Ref. 78216).
South America: Maroni basin in French Guiana.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 78216)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 8 - 9; 臀鳍软条: 13 - 15; 脊椎骨: 31 - 35. Differs from other species of the genus by a combination of characters including dorsal and anal fin ray counts, number of scales in lateral and transverse series, by the lack of the supracaudal spot at all ages in both sexes, a short base dorsal fin, a yellow color background on body, a red colored sub-distal area on anal fin in male, with a yellow one in female, and a dark margin on caudal fin (Ref. 78216).
Occurs in small groups in small mountainous rivers and marshes (Ref. 78216).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Keith, P., L. Nandrin and P.-Y. Le Bail, 2006. Rivulus gaucheri, a new species of rivuline (Cyprinodontiformes: Rivulidae) from French Guiana. Cybium 30(2):133-137. (Ref. 78216)
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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=0.00661 (0.00311 - 0.01404), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
