分類 / 名前
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Tyttobryconinae
Etymology: Priocharax: Greek, prio = to saw + Greek, charax, -akos = a fish without identification (Ref. 45335); conwayi: Name 'conwayi' in honor of Dr. Kevin W. Conway, a notable ichthyologist, for his contribution to the knowledge of fish taxonomy and morphology.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 1.9 cm SL オス/雌雄の選別がない; (Ref. 133463)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 8 - 9; 臀鰭: 16 - 23. This species is distinguished from its congeners by the following set of characters: claustrum present; three infraorbitals present Ios 1+2+3; premaxillary teeth 14-20, maxillary teeth 24-29, and dentary teeth 24-34; single postcleithrum; five branched pelvic-fin rays; adipose fin absent; anal-fin base 25-31 %SL; caudal peduncle 18-24 %SL (Ref. 133463).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits black water systems, including shallow riverine and slow-flowing forest stream with dense aquatic vegetation, where the type specimens were collected (Ref. 133463).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Mattox, G.M.T., F.C.T. Lima, R. Britz, C.S. Souza and C. Oliveira, 2024. Two new miniature species of the fish genus Priocharax from the Rio Tapajós and Amazonas drainages, Pará, Brazil (Teleostei: Characiformes: Characidae). Vertebrate Zoology 74:533-550. (Ref. 133463)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない
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): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (参照
69278): 3.0 ±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).
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