关于西南大西洋特有的里约鳐鱼 Rioraja agassizii（鳐形目，鳐科）人工饲养繁殖特征的首次报道

IF 2.5 3区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Aquatic Conservation-Marine and Freshwater Ecosystems Pub Date : 2024-12-05 DOI:10.1002/aqc.70022

Victoria M. Lenain, Florencia Matusevich, Valeria Gabbanelli, Diego M. Vazquez, Cynthia A. Awruch, Juan M. Díaz de Astarloa, Ezequiel Mabragaña

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

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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来源期刊

Aquatic Conservation-Marine and Freshwater Ecosystems 环境科学-海洋与淡水生物学

CiteScore

5.50

自引率

4.20%

发文量

143

审稿时长

18-36 weeks

期刊介绍： Aquatic Conservation: Marine and Freshwater Ecosystems is an international journal dedicated to publishing original papers that relate specifically to freshwater, brackish or marine habitats and encouraging work that spans these ecosystems. This journal provides a forum in which all aspects of the conservation of aquatic biological resources can be presented and discussed, enabling greater cooperation and efficiency in solving problems in aquatic resource conservation.