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); xavante: Named after Xavante ethnic group, natives inhabiting the Serra do Roncador and middle rio Araguaia, Mato Grosso, Brazil. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: middle rio Araguaia in Mato Grosso, Brazil.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 3 - ? cm
Max length : 6.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 82392)
Occurs in crystalline water streams with flow from 0.05 to 0.70 m3/s. Prefers to occupy the water surface and the spaces among plants roots and tree branches. Usually aggregates with up to 2 dozens individuals, but schools with about 150 individuals have also been observed. An omnivorous fish which feeds on insects, plants, crustaceans, filamentous algae and fish (Ref. 82392).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Terán, G.E., M.F. Benitez and J.M. Mirande, 2020. Opening the Trojan house: phylogeny of Astyanax, two genera and resurrection of Psalidodon (Teleostei: Characidae). Zool. J. Lin. Soc. 190(4):1217-1234. (Ref. 123753)
人類使用
工具
特別的報告
下載 XML
網路資源
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=0.01549 (0.00660 - 0.03634), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.3 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 (Lm=2.5-2.6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
