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: Valenciennes.
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; pH range: 5.5 - 7.5; dH range: ? - 25. 熱帶; 18°C - 24°C (Ref. 1672)
South America: Coastal drainages of Suriname and Guyana.
南美洲: 蘇利南與蓋亞那的海岸流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 36891)
Feeds on worms, insects, crustaceans and plant matter (Ref. 7020).
吃蠕蟲，昆蟲，甲殼動物與植物。 (參考文獻 7020)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 蘇利南與蓋亞那的海岸流域。
Reis, R.E., 2003. Subfamily Stethaprioninae (Silver dollar tetras). p. 209-211. 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. 36891)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 08 November 2020
人類使用
漁業: 商業性; 水族館: 商業性
工具
特別的報告
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網路資源
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=0.01445 (0.00683 - 0.03057), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.0 ±0.32 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Fec=1,000-2,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
