分類 / 名前
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Pristellinae
Etymology: Pristella: Greek, pristis = saw, diminutive (Ref. 45335); ariporo: Species name from its type locality, Rio Ariporo drainage (Ref. 128489).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の. Tropical
South America: Colombia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 3.0 cm SL オス/雌雄の選別がない; (Ref. 128489)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 9 - 10; 臀鰭: 18 - 24; 脊つい: 32 - 34. This species can be distinguished from P. maxillaris by the following characters: no maxillary teeth (vs. 14-22); by having all teeth of the premaxilla and dentary conical (vs. larger teeth of the premaxilla and dentary tricuspid); dark blotch on the pelvic fin absent (vs. small dark blotch on the pelvic fin present); humeral blotch absent (vs. present) (Ref. 128489).
Cross section: compressed.
Collected from a flooded savannah associated with the Rio Aiporo (Ref. 128489).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Conde-Saldaña, C.C., J.G. Albornoz-Garzón, J.E. García-Melo, F.A. Villa-Navarro, J.M. Mirande and F.C.T. Lima, 2019. A new Pristella (Characiformes: Characidae) from the Río Orinoco Basin, Colombia, with a redefinition of the genus. Copeia 107(3):439. (Ref. 128489)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01202 (0.00499 - 0.02899), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |