分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: Psalidodon: Greek, psalis, -idos = scissors + Greek, odous = teeth (Ref. 45335).
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 河川洄游 (Ref. 51243). 亞熱帶的; 20°C - 25°C (Ref. 2059)
South America: most freshwater basins from Mexico to Argentina.
向北, 中美洲與南美洲: 來自墨西哥到阿根廷的大多數的淡水流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 8.4 range ? - ? cm
Max length : 17.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 101561); common length : 12.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 56003); 最大體重: 69.70 g (Ref. 79585)
背棘 (總數): 1; 背的軟條 (總數): 9; 臀棘 2; 臀鰭軟條: 2. One maxillary tooth (Ref. 46822).
一個顎的牙齒.(參考文獻 46822)
Inhabits streams and rivers without strong currents (Ref. 26543) and lentic areas (Ref. 1129). Vivacious, eats small fish and will bite pieces of meat (Ref. 5518). Sometimes used as table fish; flesh of good flavor but with lots of fish bones.
棲息於沒有強的水流 (參考文獻 26543) 與靜水的區域的溪流與河川。 (參考文獻 1129) 活潑的, 吃小魚而且會咬肉的塊.(參考文獻 5518) 有時用作了食用魚; 好滋味的肉但是有許多魚骨。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
向北, 中美洲與南美洲: 來自墨西哥到阿根廷的大多數的淡水流域。
Galvis, G., J.I. Mojica and M. Camargo, 1997. Peces del Catatumbo. Asociación Cravo Norte, Santafé de Bogotá, D.C., 188 p. (Ref. 26543)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 16 November 2020
人類使用
漁業: 低經濟
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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=0.01479 (0.01199 - 0.01825), b=3.05 (3.01 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.3 se; based on diet studies.
Generation time: 1.3 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
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 (16 of 100).
