分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
Taxonomic Remarks
See Machado-Allison & Castillo (1992: 19) for detailed 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; pH range: 5.0 - 7.8; dH range: ? - 20; potamodromous (Ref. 51243). Tropical; 22°C - 28°C (Ref. 1672)
South America: rio Paraguai, lower Paraná and lower Uruguai rivers basins.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm ?, range 17 - ? cm
Max length : 25.0 cm SL オス/雌雄の選別がない; (Ref. 39031); 最大公表体重: 1.0 kg (Ref. )
脊つい: 35 - 36. This species differs from M. aureum by having the last abdominal spine reaching the anal-fin origin or almost so (vs. last abdominal spine clearly separated from the anal-fin origin), vertebrae 35-36 (vs. 38-39), and a conspicuous black blotch on opercle (vs. no black blotch or inconspicuous); differs from M. albiscopum by anal-fin with branched rays 26-32 (vs. 31-38); differs from M. unimaculatum by having circumpeduncular scales 30-34 (vs. 34-40), perforated scales on lateral line 74-98 (vs. 95-110) and vertebrae 35-36 (vs. 37) (Ref. 117280).
Cross section: compressed.
Reported to be an herbivore fish, which is highly dependent from the floodplains and of great economic importance for both commercial and sport fisheries (Ref. 117280).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Mateussi, N.T.B., C. Oliveira and C.S. Pavanelli, 2018. Taxonomic revision of the Cis-Andean species of Mylossoma Eigenmann & Kennedy, 1903 (Teleostei: Characiformes: Serrasalmidae). Zootaxa 4387(2):275-309. (Ref. 117280)
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: 商業; 水族館・水槽: 商業
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 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02570 (0.01354 - 0.04879), b=3.02 (2.85 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 2.8 ±0.36 se; based on food items.
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 (21 of 100).
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栄養素 (Ref.
124155): Calcium = 110 [51, 257] mg/100g; Iron = 1.53 [0.77, 3.44] mg/100g; Protein = 17.7 [15.7, 19.8] %; Omega3 = 0.393 [0.149, 1.113] g/100g; Selenium = 89.5 [34.0, 207.2] μg/100g; VitaminA = 28.6 [9.3, 83.5] μg/100g; Zinc = 1.84 [1.23, 2.68] mg/100g (wet weight); based on
nutrient studies.
