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: Pituna: Tupí, pituna = black; in Goias, Brazil; brevirostrata: From the Latin brevirostrata, meaning with short snout, in reference to the short snout contrasting with the big eyes of the new species..
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: known only from the type locality, a temporary lagoon in the rio Meia Ponte floodpalins in Brazil.
南美洲: 已知只來自模式標本產地了, 在巴西的 rio Meia Ponte floodpalins 中的一個暫時的潟湖。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 2.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 57947); 2.8 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 10 - 11; 臀鰭軟條: 14 - 16; 脊椎骨: 25. Differs from all its congeners by the following unique characters: 23-24 scales in longitudinal series; pectoral fin without dark marks; frontal squamation D-patterned; anterior section of supraorbital series of neuromasts interrupted; and 25 vertebrae (Ref. 57947).
在獨特的特徵之後有別於它所有的同類藉由: 在縱向的系列中的 23-24個鱗片; 胸鰭沒有深色的標誌; 前的鱗片排列 D-式樣; 眶上成列的神經瘤的前面部分中斷; 而且 25個脊椎骨.(參考文獻 57947)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 已知只來自模式標本產地了, 在巴西的 rio Meia Ponte floodpalins 中的一個暫時的潟湖。
Costa, W.J.E.M., 2007. Taxonomy of the plesiolebiasine killifish genera Pituna, Plesiolebias and Maratecoara (Teleostei: Cyprinodontiformes: Rivulidae), with descriptions of nine new species. Zootaxa 1410:1-41. (Ref. 57947)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [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).
