分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Stichonodontinae
Eponymy: Dr William J Moenkhaus (1871–1947) was an American geneticist and ichthyologist who became Professor of Physiology at Indiana University Medical School (1904–1941), where he was Eigenmann’s colleague. [...] Margit Zarske is the senior author’s wife. She is a graduate teacher who, according to her husband, “…for many years has endured and supported my passion for ichthyology”. (Ref. 128868), visit book page.
More on authors: Zarske & Géry.
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; 移住性ではない. Tropical
South America: Upper Amazon River basin.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 6.4 cm SL オス/雌雄の選別がない; (Ref. 38399)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 2; 背鰭 (合計) : 9; 肛門の骨: 3 - 4; 臀鰭: 29 - 34; 脊つい: 34 - 35. Medium-sized species of Moenkhausia distinguished by the following characters: maxilla longer than snout; 1-2 broad, tri-cuspid maxillary teeth; anal fin with 29-34 branched, relatively long rays; small hooks present on rays of anal fin in males; scales relatively large, 34-36 in longitudinal series; 6.5-7.5 vertical scales before dorsal fin origin; first third of caudal origin covered with small, specialized scales; pre-ventral region rounded; shoulder spot rounded and prominent; no black spot on caudal peduncle; no black saddle-spot before origin of dorsal fin; no silver longitudinal band on side of body. 'Spines' refer to unbranched rays.
Body shape (shape guide): short and / or deep; Cross section: compressed.
In slow-flowing or still waters over gravel or mud.1
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Zarske, A. and J. Géry, 2001. Moenkhausia margitae sp.n. - eine neue Tetra-Art aus dem Stromgebiet des Rio Ucayali in Peru (Teleostei: Characiformes: Characidae). Zool. Abh. Mus. Tierkde. Dresden 51(1):5-14. (Ref. 38399)
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: 潜在的興味の
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01479 (0.00594 - 0.03681), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.5 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 (13 of 100). 🛈 |
価格帯 (Ref. 80766) |
Unknown.
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