分类 / 名称
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Teleostei >
Siluriformes (Catfishes) >
Heptapteridae (Three-barbeled catfishes)
Etymology: Pimelodella: Diminutive latinized of greek, pimele = fat + Greek, odous, odella = little teeth (Ref. 45335).
Eponymy: This is a toponym referring to a river, the Rio Chagres, Panama. (Ref. 128868), visit book page.
More on author: Steindachner.
环境:氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的. 熱帶; 23°C - 26°C (Ref. 13614)
Central and South America: on the Atlantic drainage found from the Río Coclé de; Norte, Panama to the affluents of the Maracaibo drainage, Venezuela. On the Pacific drainage, extends from the Río Grande de Térraba, Costa Rica, to the Río San Juan, Colombia.
中美洲與南美洲: 在大西洋的流域上發現從 Rio Cocle de; Norte, 巴拿馬到 Maracaibo 流域,委內瑞拉的支流。 在太平洋的流域上, 延伸從 Rio Grande de Terraba ,哥斯大黎加,到聖幻河,哥倫比亞。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 15.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 36914)
Inhabits rivers and creeks located between 20 and 660 m elevation. Found in currents of moderate velocity on sand, gravel and rock substrata. Eats aquatic insects, especially Diptera larvae (Ref. 36880).
栖息于在 20 与 660 公尺海拔之间被设置的河与小溪。 在沙子,砾石与岩石下层土壤上发现于中等速度的水流了。 吃水生昆虫, 尤其双翅类幼生.(参考文献 36880)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Reproductive mode and guild assumed to be the same as congeners (Ref. 56810).中美洲與南美洲: 在大西洋的流域上發現從 Rio Cocle de; Norte, 巴拿馬到 Maracaibo 流域,委內瑞拉的支流。 在太平洋的流域上, 延伸從 Rio Grande de Terraba ,哥斯大黎加,到聖幻河,哥倫比亞。
Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. 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. 36914)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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基于模型的估算
系统发育多样性指数 (参考文献 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=0.00851 (0.00401 - 0.01809), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
营养阶层 (参考文献 69278) |
3.6 ±0.5 se; based on size and trophs of closest relatives |
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |