Fishes of the Amazon: diversity and beyond

Abstract: The Amazon basin houses a particular group of freshwater organisms, whose study tells the geological history of the region, how biological diversity was shaped, how it is maintained, and what it hides. The fish of the Amazon is represented by more than 3,000 known species distributed from...

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Main Author: ADALBERTO LUIS VAL
Format: Article
Language:English
Published: Academia Brasileira de Ciências
Series:Anais da Academia Brasileira de Ciências
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000600602&lng=en&tlng=en
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author ADALBERTO LUIS VAL
author_facet ADALBERTO LUIS VAL
author_sort ADALBERTO LUIS VAL
collection DOAJ
description Abstract: The Amazon basin houses a particular group of freshwater organisms, whose study tells the geological history of the region, how biological diversity was shaped, how it is maintained, and what it hides. The fish of the Amazon is represented by more than 3,000 known species distributed from the basal groups up to the more specialized ones. This species richness hides a diversity of adaptations that are dispersed at all levels of the biological organization. In this summary of the conference delivered at the Brazil-France Bilateral Symposium, held in Manaus in 2018, we describe two aspects of the hidden world of adaptive diversity: adaptations to changes in dissolved oxygen and the abilities of the Rio Negro fish to face acidic and ion-poor waters of their habitats. Also, we present the vulnerability of Amazonian fish to ongoing climate changes. Then, very briefly, we call attention to the many hidden biological processes that allow these fish species to survive their environments, much of which is unknown. Indeed, however, they are intricately related to men, either by responding to environmental disturbances that we have caused, or by containing information that contributes to improving the quality of the environment in which we live.
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spelling doaj.art-ec243caa50dc4ca1970313b41815eddb2022-12-22T00:42:33ZengAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências0001-37651678-269091suppl 310.1590/0001-3765201920190260S0001-37652019000600602Fishes of the Amazon: diversity and beyondADALBERTO LUIS VALAbstract: The Amazon basin houses a particular group of freshwater organisms, whose study tells the geological history of the region, how biological diversity was shaped, how it is maintained, and what it hides. The fish of the Amazon is represented by more than 3,000 known species distributed from the basal groups up to the more specialized ones. This species richness hides a diversity of adaptations that are dispersed at all levels of the biological organization. In this summary of the conference delivered at the Brazil-France Bilateral Symposium, held in Manaus in 2018, we describe two aspects of the hidden world of adaptive diversity: adaptations to changes in dissolved oxygen and the abilities of the Rio Negro fish to face acidic and ion-poor waters of their habitats. Also, we present the vulnerability of Amazonian fish to ongoing climate changes. Then, very briefly, we call attention to the many hidden biological processes that allow these fish species to survive their environments, much of which is unknown. Indeed, however, they are intricately related to men, either by responding to environmental disturbances that we have caused, or by containing information that contributes to improving the quality of the environment in which we live.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000600602&lng=en&tlng=enAmazoniabiodiversityadaptationshypoxiadissolved organic carbonclimate changes
spellingShingle ADALBERTO LUIS VAL
Fishes of the Amazon: diversity and beyond
Anais da Academia Brasileira de Ciências
Amazonia
biodiversity
adaptations
hypoxia
dissolved organic carbon
climate changes
title Fishes of the Amazon: diversity and beyond
title_full Fishes of the Amazon: diversity and beyond
title_fullStr Fishes of the Amazon: diversity and beyond
title_full_unstemmed Fishes of the Amazon: diversity and beyond
title_short Fishes of the Amazon: diversity and beyond
title_sort fishes of the amazon diversity and beyond
topic Amazonia
biodiversity
adaptations
hypoxia
dissolved organic carbon
climate changes
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000600602&lng=en&tlng=en
work_keys_str_mv AT adalbertoluisval fishesoftheamazondiversityandbeyond