分類 / 名前
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); brumado: Named after Brumado, the river where the species is found. A noun in apposition.
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: Rio Brumado, upper rio de Contas drainage in eastern Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 3.2 cm SL オス/雌雄の選別がない; (Ref. 85847)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 11; 臀鰭: 18 - 21; 脊つい: 32 - 35. Distinguished from other members of the genus Hyphessobrycon by having low body depth, a broad black stripe along lateral of body extending weakly through median caudal-fin rays, absence of humeral spot and orange- to reddish life coloration (Ref. 85847).
Body shape (shape guide): elongated.
Inhabits streams with relatively rapid water current, running over rocky and sandy bottoms at elevated altitudes (971 and 1.048 m a.s.l.). Stomach contents of three specimens include filamentous algae, fragments of vascular plants, adults and two distinct larvae of Diptera (Chironomidae and Simuliidae), larvae of Trichoptera, adult of Formicidae, Aranae, and fragments of unidentified arthropods (Ref. 85847).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Zanata, A.M. and P. Camelier, 2010. Hyphessobrycon brumado: a new characid fish (Ostariophysi: Characiformes) from the upper rio de Contas drainage, Chapada Diamantina, Bahia, Brazil. Neotrop. Ichthyol. 8(4):771-777. (Ref. 85847)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00264 - 0.01652), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |