分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: Brachychalcinus: Greek, brachys, eia = short + Greek, chalkos = brass (Ref. 45335).
More on author: Reis.
Issue
See Reis (1989) for phylogeny, description, figure, and comparison with other species.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: Parnaiba River basin in Brazil.
南美洲: Rio Parnaiba 流域。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 7.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 36891)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Rio Parnaiba 流域。
Oyakawa, O.T., 1998. Catalogo dos tipos de peixes recentes do Museu de Zoologia da USP. I. Characiformes (Teleostei: Ostariophysi). Pap. Avuls. Zool. 39(23):443-507. (Ref. 27925)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming Fec < 5,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).