Cover picture: California sea lion, Zalophus californianus, colony at Los Islotes, La Paz Bay, Baja California Sur (Mexico), during the breeding season (photo: Claudia Janetl Hernández-Camacho).

Published: 2019-12-19

Research Article

Diet composition and its relation to the characteristics of the digestive tract of the blue sea catfish, Ariopsis guatemalensis (Actinopterygii: Ariidae), in Barra de Navidad Lagoon, Jalisco, Mexico

Brenda Daniela Benítez-Mondragón, Consuelo M Aguilar-Betancourt, Gaspar González-Sansón, Gabriela Lucano-Ramírez, Juan Ramón Flores-Ortega, Salvador Ruiz-Ramírez, Daniel Kosonoy-Aceves

151–162

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Fine-scale site fidelity in California sea lions, Zalophus californianus, in the colony at Los Islotes, La Paz Bay, Mexico

Andrea Rayas-Estrada, Claudia Janetl Hernández-Camacho

163–174

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Research note

Length–weight relationship and condition factor for 7 loliginid squid species in Mexican waters

Jasmín Granados-Amores, César Augusto Salinas-Zavala, Juan Ramón Flores-Ortega, Mariana Díaz-Santana-Iturrios

175–180

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Elasmobranch species in the artisanal fishery of Sucre State, Venezuela

Raquel Marquez, Rafael Tavares, Luis Alejandro Ariza

181–188

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