分類 / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Astyanax: The name of Astyanax, Hector´s son in the Greek mythology (Ref. 45335); microschemos: From the Greek mikroschemos, meaning low stature, in reference to the shallow body depth of the species..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Rio Itapemirim drainage in Espirito Santo State, Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL オス/雌雄の選別がない; (Ref. 57404)
簡単な記述
形態学 | 形態計測学
脊つい: 35 - 36. A member of the Astyanax scabripinnis species complex that distinguishes from species outside this complex by having anal fin with 14-18 branched rays and body depth shallow (26.9-29.7% of SL). Differs from other species of the species complex by its shallow body depth (26.9-29.7% SL) and the smaller interorbital width (26.9-30.4% HL) (Ref. 57404).
The type locality is about 2 m wide brook with clear water, segments with rapids, riparian vegetation and a substrate of stones and rocks; associated with Characidium sp.,
Neoplecostomus sp. and Trichomycterus sp. (Ref. 57404).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Bertaco, V.A. and C.A.S. de Lucena, 2006. Two new species of Astyanax (Ostariophysi: Characiformes: Characidae) from eastern Brazil, with a synopsis of the Astyanax scabripinnis species complex. Neotrop. Ichthyol. 4(1):53-60. (Ref. 57404)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
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=0.01148 (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).
栄養段階 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).