Morphometry and burst swimming in six continental fish species from Costa Rica
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| Autors: | , |
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| Format: | artículo original |
| Estat: | Versión publicada |
| Data de publicació: | 2019 |
| Descripció: | Introduction: Current research of fish locomotion is focused on creating better underwater vehicles and how environmental stress factors modify swimming. Objective: To study the relation of morphometric characteristics with burst swimming in six representative species of continental fishes from Costa Rica. Methods: We measured total length, standard length, height and area of the tail of 38 individuals from six species. We used a Kruskall-Wallis test and a Boxplot graphic to compare species; and a PCA test to identify body variables that influence swimming. A Non-Metric Dimensional Scaling (NMDS) test was done for species and position in the water column. Results: The fastest swimming corresponded to A. nigrofasciata (9,29cm/s), while S. salvini (1,65cm/s) was the slowest. Burst swimming speed is influenced by body size and tail type, and differed with position in the water column, being surface species the fastest. Conclusions: Morphological and ecological characteristics determine differences in burst swim. |
| Pais: | Portal de Revistas UNED |
| Institution: | Universidad Estatal a Distancia |
| Repositorio: | Portal de Revistas UNED |
| Idioma: | Inglés Español |
| OAI Identifier: | oai:revistas.investiga.uned.ac.cr:article/2701 |
| Accés en línia: | https://revistas.uned.ac.cr/index.php/cuadernos/article/view/2701 |
| Paraula clau: | velocity morphometric characteristics locomotion ecology riverine ecosystems freshwater nado explosivo características morfoméetricas ecología ecosistemas riparios Costa Rica |