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首页> 外文期刊>Zoologica Scripta: An International Journal of Evolutionary Zoology >Akawaio penak, a new genus and species of Neotropical electric fish (Gymnotiformes, Hypopomidae) endemic to the upper Mazaruni River in the Guiana Shield
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Akawaio penak, a new genus and species of Neotropical electric fish (Gymnotiformes, Hypopomidae) endemic to the upper Mazaruni River in the Guiana Shield

机译：Akawaio penak，一种新属的新热带电鱼（Gymnotiformes，Hypopomidae）在圭亚那盾构中的Mazaruni河上游特有

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摘要

The Mazaruni River of Guyana runs from its origin in the remote Pakaraima Mountains to its confluence with the Cuyuni River near the town of Bartica. The upper Mazaruni runs through the eastern edge of the Guiana Shield escarpment and is separated from the lower portion of the drainage by a series of waterfalls that create a formidable barrier for fish movement. The rivers and streams of the upper Mazaruni drain the eastern 'Pantepui' region of the Guiana Shield and remained almost completely unexplored until very recently. The remoteness and extraordinary biodiversity of the Guiana Shield highlands make this region of significant evolutionary and ecological interest (e.g. Rull 2005, 2007; Vari & Ferraris 2009; Salerno et al. 2012). However, the absence of detailed faunal surveys has limited our understanding of biological diversity and conservation challenges in the region (Alofs et al. 2013).
机译：圭亚那的马扎鲁尼河源于偏远的Pakaraima山脉，源于与Bartica镇附近的库尤尼河的汇合处。马扎鲁尼河上游流经圭亚那盾构悬崖的东部边缘，并通过一系列瀑布与排水系统的下部隔开，这些瀑布为鱼类的移动创造了强大的屏障。马扎鲁尼河上游的河流和河水流向了圭亚那盾牌的东部“潘特普伊”地区，直到最近仍几乎未开发。圭亚那盾高地的偏远地区和非同寻常的生物多样性使该地区具有重大的进化和生态意义（例如Rull 2005，2007; Vari＆Ferraris 2009; Salerno等人2012）。但是，由于缺乏详细的动物区系调查，这限制了我们对该地区生物多样性和保护挑战的了解（Alofs等，2013）。

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