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).
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. Subtropical
South America: Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 5.7 cm SL オス/雌雄の選別がない; (Ref. 131186)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 9; 臀鰭: 18 - 22; 脊つい: 33 - 36. This species is distinguished by the presence of a well-defined, relatively narrow dark midlateral stripe on body extending from the posterior margin of the eye to the middle caudal-fin rays, with an even width covering more than one scale along its entire length; with a humeral spot; branched anal-fin rays 18-22; longitudinal scale rows between lateral line and dorsal-fin origin 5-6; maxillary teeth 1-3; lepidotrichia of pelvic-, dorsal-, anal- and caudal-fin rays more branched in males than in females; presence of bony spinules in pelvic and anal fin (Ref. 131186).
Body shape (shape guide): short and / or deep; Cross section: compressed.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Marinho, M.M.F., F.C.P. Dagosta, 2024. Redescription of Hyphessobrycon cachimbensis (Characiformes: Characidae) with the description of a new congener from the Serra do Cachimbo, Brazil. Neotropical Ichthyology 22(2): e230127: 1-20. (Ref. 131186)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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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=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.9 ±0.3 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 (12 of 100). 🛈 |