Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Artículo científico |
| Sprache: | en |
| Veröffentlicht: |
Universidad Nacional Autónoma de México
2022
|
| Schlagworte: | |
| Online-Zugang: | https://www.redalyc.org/articulo.oa?id=42575514078 https://www.redalyc.org/journal/425/42575514078/ https://www.redalyc.org/journal/425/42575514078/html/ https://www.redalyc.org/journal/425/42575514078/42575514078.epub https://www.redalyc.org/journal/425/42575514078/movil |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Inhaltsangabe:
- Evolutionary ecomorphology of select species of rays distributed in the Gulf of Mexico Rosalía Aguilar-Medrano María Eugenia Vega-Cendejas Biología feeding locomotion Bathomorphi sexual dimorphism phylogenetic regression Bathomorphi is a diverse lineage, accounting for more than half of the chondrichthyan diversity. Yet, more than 12.3% of the species are in the “deficient data” category of the IUCN Red List of Threatened Species, indicating a gap in the knowledge of this group. In the present study, the diet and morphological variation associated with locomotion (disc) and feeding (Meckel’s cartilage and teeth) of 9 species of batomorphs were analyzed to assess trophic and morphological diversity, size, and sexual dimorphism. Comparative phylogenetic methods were used to determine the evolutionary relationship between variables. According to our results, the species selected showed a wide and intricate morphological variation. Sexual dimorphism was mainly observed in tooth morphology, where males tended to have more pointed teeth than females. Disc allometry was recorded for most species; small specimens presented a longer snout than larger specimens. Only the Meckel’s cartilage was related to the diet of the species. However, the morphological variation of the disc, Meckel’s cartilage, and teeth of the batomorphs were correlated through the evolution of the group and responded to functional patterns such as swimming and feeding, which finally, determined the ecology of the species. 2022 artículo científico 1870-3453 https://www.redalyc.org/articulo.oa?id=42575514078 https://www.redalyc.org/journal/425/42575514078/ https://www.redalyc.org/journal/425/42575514078/html/ https://www.redalyc.org/journal/425/42575514078/42575514078.epub https://www.redalyc.org/journal/425/42575514078/movil 10.22201/ib.20078706e.2022.93.4032 en http://www.redalyc.org/revista.oa?id=425 Revista Mexicana de Biodiversidad application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Biodiversidad (México) Vol.93