分類 / Names
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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Diapominae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335).
Eponymy: This is not an eponym but derives from a local word used to denote small characins in southern Brazil. (Ref. 128868), visit book page.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性. Temperate
South America: Feitoria Creek and tributaries in Caí River basin, Laguna dos Patos drainage.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 5.6 cm SL オス/雌雄の選別がない; (Ref. 33287)
背鰭 (合計) : 10; 臀鰭: 19 - 22. Its elongated body with greatest depth 24.6-29.8% of SL; lack of dark pigmentation on the distal tips of the caudal fin; 3 or 4 maxillary teeth. Bryconamericus lambariis further distinguished from B. iheringii by the shallower body depth and shorter pelvic fins; distinguished from B. stramineus in its absence of a conspicuous and wide midlateral stripe (present in B. stramineus).
Body shape (shape guide): fusiform / normal.
Occurs in small river with sandy and rocky bottoms in areas of low current flow.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Malabarba, L.R. and A. Kindel, 1995. A new species of the genus Bryconamericus Eigenmann, 1907 from southern Brazil (Ostariophysi: Characidae). Proc. Biol. Soc. Wash. 108(4):679-686. (Ref. 33287)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 07 November 2018
Human uses
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00599 - 0.03330), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 2.7 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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