分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Stevardiidae (Stevardiids) > Stevardiinae
Etymology: Pterobrycon: Greek, pteryx = fin + Greek, bryko = to bite (Ref. 45335).
Eponymy: Myrna Isabel Bussing née López Sanchez (d: 1937) is the widow of William Busing (q. [...] (Ref. 128868), visit book page.
Issue
See Bussing (1998) for distribution, ecology and other comments on this species. For illustrations of courtship behavior see Weitzman (1975). See Weitzman & Menezes (1998) for relationships. See Burns et al. (1995) for evidence of insemination.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性; pH range: 6.0 - 7.0; dH range: ? - 15. 熱帶; 23°C - 26°C (Ref. 2060)
分布
國家 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Central America: Pacific drainages of southern Costa Rica, Jicote and Rincon rivers and the Esquinas River of Osa Peninsula.
中美洲: 哥斯大黎加南部， Jicote 與 Rincon 河與 Osa 半島的 Esquinas 河的太平洋流域。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 3.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 34092)
Aquarium specimens reach 7.0 cm TL (Ref. 2060). Inhabits creeks of low to high current velocity. Collected in sites between elevations of 10 to 80 m, insectivorous (Ref. 36880).
水族館標本達到 7.0 公分TL 。 (參考文獻 2060) 棲息於低到高水流速度的小溪。 在海拔之間的位置中收集了 10 到 80 公尺, 食蟲的.(參考文獻 36880)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中美洲: 哥斯大黎加南部， Jicote 與 Rincon 河與 Osa 半島的 Esquinas 河的太平洋流域。
Weitzman, S.H., 2003. Glandulocaudinae (Characins, tetras). p. 222-230. 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. 38597)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (B1ab(iii)); Date assessed: 16 May 2019
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00635 - 0.03140), b=2.99 (2.80 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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