Effect of temperature on the morphometric development of eggs in the prawn Macrobrachium americanum (Caridea: Palaemonidae) and larval success under experimental conditions

Juan Carlos Sainz-Hernández, Jesús Arturo Fierro-Coronado, Jazmin Asusena Aguiñaga-Cruz, Luis Daniel García-Rodríguez, John Sebastian Barraza-López, Apolinar Santamaría-Miranda, Juan Pablo Apún-Molina, Claudia Castro-Martínez

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

2 Citas (Scopus)

Resumen

© 2016 Informa UK Limited, trading as Taylor & Francis Group. This study evaluated the effect of temperature on morphometric features of the egg during the embryonic development of the prawn Macrobrachium americanum and the relationship with hatching and the survival of the larvae. Berried females were grouped (n = 3) and reared at three different temperatures, 26, 29, and 33 °C, for which seven developmental stages were recognized. At each stage, the apical and sagittal diameters of the eggs were measured, the volume was calculated, and the weights were recorded. Additionally, the duration of embryonic development, hatching percentage, and larval survival were determined. At 29 and 33 °C, the eggs’ volume increased by 50%, but at 26 °C, the increase was 25%. Larvae from eggs incubated at 33 °C died one day after hatching. At 29 °C, larvae survived until Zoea VII. Larvae from eggs incubated at 26 °C died at the end of Zoea I. The number of days of embryonic development was 20.5 ± 1.5 (26 °C), 15 ± 1 (29 °C), and 12 ± 1 (33 °C). A temperature of 29 °C was the most favorable for embryonic development in M. americanum.
Idioma originalInglés estadounidense
Páginas (desde-hasta)194-200
Número de páginas173
PublicaciónInvertebrate Reproduction and Development
DOI
EstadoPublicada - 2 jul 2016

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