分類 / 名前
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Characiformes (Characins) >
Bryconidae ("Brycon characins") > Bryconinae
Etymology: Brycon: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).
More on author: Regan.
Taxonomic Remarks
See Howes (1982: 29-30) for remarks on taxonomy, Burcham (1988), Bussing (1993), and Horn (1997) for observations on ecology of the species. Food fish.
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; 深さの範囲 0 - 5 m. Tropical; 21°C - 34°C (Ref. 36880)
Central America: Atlantic slope from Grijalva River, Mexico to eastern Panama; in the Pacific slope, only in Choluteca River basin of Honduras.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 27.3  range ? - ? cm
Max length : 59.0 cm TL オス/雌雄の選別がない; (Ref. 40637); 最大公表体重: 4.3 kg (Ref. 40637)
簡単な記述
検索表 | 形態学 | 形態計測学
Found in lakes, rivers and streams between 0 and 600 m elevation. The young feed on terrestrial and aquatic insects, leaves, fruits and seeds but become mainly herbivorous when adult. Eggs are deposited in nests located in sand bottoms of streams.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Eggs are deposited in nests with sandy bottoms (Ref. 127435).
Lima, F.C.T., 2003. Characidae - Bryconinae (Characins, tetras). p. 174-181. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38504)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
ゲームフィッシュ: はい
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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01023 (0.00598 - 0.01751), b=3.02 (2.87 - 3.17), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.3 ±0.27 se; based on food items. |
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Generation time |
3.1 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
回復力 (参照 120179) |
手段, 1.4年~4.4年の倍増期間の最小個体群 (K=0.35; Fec = 701;). |
漁業の脆弱性 (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |