11 resultados para PRUEBAS EN LABORATORIO

em Aquatic Commons


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Discusión de límites zoogeográficos marinos con el objetivo de ser utilizados en la preparación de un catálogo de animales marinos. (PDF tiene 9 paginas.)

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Lista de géneros y especies de peces de agua dulce de la Argentina con datos estadísticos y nombres vernaculares. (PDF tiene 17 paginas.)

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The present paper is concerned with studies on the larval development of two species of crustacean Decapoda: Pachyceles haigae Rodrigues Da Costa, 1960 family Porcellanidae and Chasmagnathus granulata Dana, 1851, family Grapsidae. One preazoea, two zoeae with a total of five sub-stages, a and b, and the second zoea had sub-stages a, b and c. The greatest changes are observed in the transition from the first to the second zoea and from this to the megalopa. During the sub-stages, there occured minor changes, and a net moulting of the cuticle is not observed. The differences in these sub-stages are marked by changes in the number and shape of the appendages.