First Reports on Reproductive Traits of the Endemic Southwestern Atlantic Rio Skate <scp><i>Rioraja agassizii</i></scp> (Rajiformes, Arhynchobatidae) in Captivity

ABSTRACT This study provides novel data on fecundity and oviposition rate of Rioraja agassizii and complementary information on incubation period in captivity. Two females of R. agassizii were maintained in captivity over 1‐year period. Oviposition rate was 0.28 and 0.26 egg cases per day, and fecundity was 114 and 92 egg cases for each female. Incubation period was determined for two embryos resulting in 105 and 114 days with average incubation temperatures ranging from 17.5°C (± 0.81) to 22.1°C (± 1.32). Captive studies contribute to a better understanding of the reproductive biology and complement investigations carried out in the wild.

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Publication Details

Journal
Aquatic Conservation Marine and Freshwater Ecosystems
Published
2024-12-01
DOI
https://doi.org/10.1002/aqc.70022
Citations
1
Primary Topic
Fish Ecology and Management Studies
Type
article
Field-Weighted Citation Impact
0.69

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article

First Reports on Reproductive Traits of the Endemic Southwestern Atlantic Rio Skate Rioraja agassizii (Rajiformes, Arhynchobatidae) in Captivity

Valeria Gabbanelli, Victoria Malvina Lenain, Juan M. Dı́az de Astarloa, Cynthia A. Awruch et al.
1 citations
Aquatic Conservation Marine and Freshwater Ecosystems
Fish Ecology and Management Studies
0.69
article

First Reports on Reproductive Traits of the Endemic Southwestern Atlantic Rio Skate Rioraja agassizii (Rajiformes, Arhynchobatidae) in Captivity

Valeria Gabbanelli, Victoria Malvina Lenain, Juan M. Dı́az de Astarloa, Cynthia A. Awruch, Ezequiel Mabragaña, Diego Martín Vazquez, Florencia Matusevich
article en
1 citations

Abstract

ABSTRACT This study provides novel data on fecundity and oviposition rate of Rioraja agassizii and complementary information on incubation period in captivity. Two females of R. agassizii were maintained in captivity over 1‐year period. Oviposition rate was 0.28 and 0.26 egg cases per day, and fecundity was 114 and 92 egg cases for each female. Incubation period was determined for two embryos resulting in 105 and 114 days with average incubation temperatures ranging from 17.5°C (± 0.81) to 22.1°C (± 1.32). Captive studies contribute to a better understanding of the reproductive biology and complement investigations carried out in the wild.

Aquatic Conservation Marine and Freshwater EcosystemsVol. 34(12)
University of Tasmania (AU), Consejo Nacional de Investigaciones Científicas y Técnicas (AR), National University of Mar del Plata (AR), Universidad Nacional del Litoral (AR), Instituto Nacional de Limnología (AR), Institute of Marine and Coastal Research (AR), Centro Científico Tecnológico Patagónico (AR), Fundación Ciencias Exactas y Naturales (AR)
Universidad Nacional de Mar del Plata, Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación
Life below water
Openalex Percentile: Top 24%
Fish Ecology and Management Studies
0.69
DOIOpen Access PDFOpenAlex
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