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) > Rivulinae
Etymology:
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: Orinoco River basin in Venezuela.
南美洲: 委內瑞拉。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 27139)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Can be distinguished from all other described species of Rivulus in having elongated pectoral fins reaching to base of pelvic fins in both sexes, and in the combination of: dorsal and anal fin extending to or beyond base of caudal fin in both sexes, similar development of the rivulus spot in both sexes, elongated pelvic fins reaching beyond anal-fin origin in both sexes, and low number of scales in lateral series (26-29) (Ref. 26619).
能在有細長的方面被與全部其他的被描述的 Rivulus 的種區分胸鰭延伸到腹鰭基底雄性與雌性都有, 與在組合: 背部的與延伸至的臀鰭或超過尾鰭基底雄性與雌性都有, rivulus 斑點的相似發展雄性與雌性都有, 超過臀鰭起源雄性與雌性都有的瘦長的腹鰭, 與在側線列 (26-29) 中的鱗片的低數字.(參考文獻 26619)
Inhabits small forest pools (Ref. 26619). Bottom spawner, 4 months incubation (Ref. 27139).
棲息於小的森林水池。 (參考文獻 26619) 底部產卵魚， 4 個月孵育時間。 (參考文獻 27139)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 委內瑞拉。
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36579)
IUCN 瀕危狀態 (Ref. 130435)
近危 (NT) (B2b(iii)); Date assessed: 07 August 2019
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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 (0.00315 - 0.03034), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±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).
