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) >
Anablepidae (Four-eyed fishes, onesided livebearers & white-eye)
四眼魚科 (Four-eyed fishes, onesided livebearers & white-eye) > Anablepinae
Etymology: weitzmani: weiztmani is an eponym for Stanley H. Weiztman, in recognition of his many contributions to Neotropical ichthyology, particularly his work on the ichthyofauna of southern Brazil and the taxonomy of the genus Jenynsia..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 亞熱帶的
South America: currently known only from its type locality in eastern Santa Catarina State, an unnamed tributary of the rio Pinheiros in the upper rio Tubarão drainage near Anitápolis, Brazil (Ref. 45800).
南美洲: 現在已知只來自聖保羅州東部的它的模式標本產地了, 在 Anitapolis 巴西附近的 rio Tubarao 流域上游的 rio Pinheiros 的一個未命名支流.(參考文獻 45800)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 80013); 7.0 cm SL (female)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 0; 背的軟條 (總數): 10-11; 臀棘 0; 臀鰭軟條: 9; 脊椎骨: 33. Possess a tubular gonopodium with shortened second, fourth and fifth anal fin rays, an enlarged seventh middle anal fin radial in males and females, and an elongate dorsoposterior process of the lacrimal. Branchiostegal rays: 5. Distinguished from other Plesiojenynsia by the following combination of characters: a single midlateral stripe without associated dorsolateral or ventrolateral stripes or blotches in adults; a terminal to slightly oblique mouth; fewer than 13 gillrakers; and absence of the first mandibular-canal pore.
持有一個管狀的生殖足有變短的第二個，第四的與第五個臀鰭棘條, 在雄性與雌性 , 與淚骨的一個細長後背突起中的一個增大的第七個中央的臀鰭動脈。 鰓條骨: 5. 在組合特徵之後與其他的 Plesiojenynsia 區分了藉由: 當成魚時的沒有相連的背外側或腹側的斑紋或斑塊的一條側面中央的斑紋; 一個端位到些微斜的嘴; 少於 13個鰓耙; 而且缺乏第一個顎骨管孔。
Commonly found in upland rivers. Viviparous (Ref. 45800).
普遍地棲息於高地河川。 胎生的.(參考文獻 45800)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 現在已知只來自聖保羅州東部的它的模式標本產地了, 在 Anitapolis 巴西附近的 rio Tubarao 流域上游的 rio Pinheiros 的一個未命名支流.(參考文獻 45800)
Ghedotti, M.J., A.D. Meisner and P.H.F. Lucinda, 2001. New species of Jenynsia (Teleostei: Cyprinodontiformes) from southern Brazil and its phylogenetic relationships. Copeia 2001(3):726-736. (Ref. 45800)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00517 - 0.02671), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±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).
