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Fragmentation of Andes-to-Amazon connectivity by hydropower dams
TLDR
This work documents 142 dams existing or under construction and 160 proposed dams for rivers draining the Andean headwaters of the Amazon, documenting losses in river connectivity that translate to drastic alteration of river channel and floodplain geomorphology and associated ecosystem services.
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The Fitzcarrald Arch: A Vicariant Event for Chaetostoma (Siluriformes: Loricariidae) Speciation?
TLDR
It is concluded that there are not significant differences among populations of C. lineopunctatum from the Río Ucayali and theRío Madre de Dios drainages, and thus the Fitzcarrald Arch uplift did not cause speciation in this taxon.
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Description of Loraxichthys lexa, new genus and species (Siluriformes: Loricariidae) from the Río Huallaga Basin, central Peru, with notes on the morphology of the enigmatic Lipopterichthys carrioni…
A new genus and species of armored catfish, Loraxichthys lexa, collected in 1955 by the Catherwood Foundation Peruvian-Amazon Expedition from the vicinity of Tingo María, Huánuco, is described…
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New Species of Chaetostoma (Siluriformes: Loricariidae) from Central Peru
TLDR
This new species differs from all other described Chaetostoma species in having a conspicuously banded dorsal fin and by the combination of the following characters: presence of fleshy excrescence on posterior tip of supraoccipital, typically nine branched dorsal-fin rays, and evertible cheek plates with two to four hypertrophied odontodes.
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A new species of Chaetostoma, an armored catfish (Siluriformes: Loricariidae), from the río Marañón drainage, Amazon basin, Peru
TLDR
A new species of Chaetostoma was found in mountain tributaries of the rio Maranon, Peru, which resembles two Cordylancistrus species in the presence of a tuft of odontodes in the middle of each trunk lateral dermal plate, but it exhibits a naked snout.
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Divergent evolution in the polymorphic granular poison-dart frog, Oophaga granulifera: genetics, coloration, advertisement calls, and morphology
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Beyond Taxidermy: specimen preparation for Natural History Collections
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