Polygynandry and high genetic diversity supported by kinship and population genetics from neotropical catfish ichthyoplankton

Knowledge about reproductive biology is critical for understanding species ecology and evolution, hence their conservation. However, such information remains elusive for many species due to the difficulty of observing mating in nature. Herein, we coupled population and sociogenetic analysis to asses...

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Published in:Ecology of freshwater fish 2023-04, Vol.32 (2), p.406-415
Main Authors: Frantine‐Silva, Wilson, Savada, Camila Satie, Almeida, Fernanda Simões, Orsi, Mário Luís
Format: Article
Language:English
Subjects:
Animal reproduction
biological reproduction
Biology
Catfish
conservation
DNA barcoding
Evolutionary conservation
Freshwater fishes
Gene sequencing
Genetic analysis
Genetic diversity
Genetic variation
Genetics
Ichthyoplankton
Larvae
Mating
Microsatellites
Population genetics
Reproductive behaviour
SSR
Tributaries
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container_title Ecology of freshwater fish
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creator Frantine‐Silva, Wilson
Savada, Camila Satie
Almeida, Fernanda Simões
Orsi, Mário Luís
description Knowledge about reproductive biology is critical for understanding species ecology and evolution, hence their conservation. However, such information remains elusive for many species due to the difficulty of observing mating in nature. Herein, we coupled population and sociogenetic analysis to assess the reproductive biology of an important South American catfish, the “painted catfish” Pimelodus maculatus. We analysed the genetic diversity and kinship patterns of three wild ichthyoplankton samples identified by DNA barcoding and screened with microsatellite loci. We found the same trend in the three samples analysed: a high number unrelated larvae (r 
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We found high levels of genetic diversity, low GST values (GST &lt; 0.014), but moderate DEST values between the tributary and reservoir samples (DEST &gt; 0.25; Cin x Ca1 or Cin x Ca2), a similar pattern to the observed in adult populations. 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source Wiley-Blackwell Read & Publish Collection
subjects Animal reproduction
biological reproduction
Biology
Catfish
conservation
DNA barcoding
Evolutionary conservation
Freshwater fishes
Gene sequencing
Genetic analysis
Genetic diversity
Genetic variation
Genetics
Ichthyoplankton
Larvae
Mating
Microsatellites
Population genetics
Reproductive behaviour
SSR
Tributaries
title Polygynandry and high genetic diversity supported by kinship and population genetics from neotropical catfish ichthyoplankton
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