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: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); rioverde: Named for its type locality, ditch south of Rioverde in San Luis Potosí, Mexico. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
Central America: Río Pánuco drainage in San Luis Potosí, Mexico.
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 118583)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9; 臀鰭軟條: 20; 脊椎骨: 32 - 33. Astyanax rioverde is distinguished from its congeners in central-northern Mexico by having the following characters: scales around caudal peduncle, modally 16.5 (vs. fewer); body deeper, mean 37% SL (vs. mean 34% SL in A. argentatus); interorbital, mean 9-10% SL (vs. mean 8% SL in A. tehuacanensis); maxillary 10.2% SL or shorter, mean 9.5% (vs. 10.1% SL or longer, mean 11.1% in A. argentatus); base of anal fin, 24% SL or shorter (vs. 23% SL or longer in A. argentatus); anterior fontanel short (vs. longer in A. mexicanus and A. tehuacanensis), convex-sided (vs. straight-sided in A. acatlanensis, A. mexicanus and A. tehuacanensis), sharp-tipped (vs. blunt in A acatlanensis and A. mexicanus); infraorbital II, triangular with an angled base (vs. base convex in A. acatlanensis, A. argentatus and A. mexicanus); first dorsal pterygiophore, rostral edge, angled (vs. curved in A. argentatus and A. mexicanus); and humeral spot oval (vs. triangular-rectangular) (Ref. 118583).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Schmitter-Soto, J.J., 2017. A revision of Astyanax (Characiformes: Characidae) in Central and North America, with the description of nine new species. J. Nat. Hist. 51(23/24):1-94. (Ref. 118583)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 10 September 2018
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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=0.01148 (0.00526 - 0.02507), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-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).