The bull shark (Carcharhinus leucas Valenciennes, 1839) is a large, primarily coastally
distributed shark famous for its ability to penetrate far into freshwater bodies in tropical …

Previous investigations of the population genetics of the scalloped hammerhead sharks
(Sphyrna lewini) in the Eastern Tropical Pacific have lacked information about nursery …

The impact of fisheries on elasmobranch populations has been widely documented;
however, baseline information on shark and batoid management remains limited …

We studied anatomical and functional aspects of the reproductive system of females of the
Magdalena river stingray Potamotrygon magdalenae using microscopic and macroscopic …

Understanding the ecological role of a species in an ecosystem and the dynamics of the
communities depends largely on knowledge of the trophic relationships. We evaluated the …

A sleeper shark, genus Somniosus, was observed in the Colombian Caribbean. A Remote
Operated Vehicle (ROV) recorded a sleeper shark specimen during an inspection while …

Lack of adequate information about the taxonomic and evolutionary relationships, ecology,
biology, and distribution of several species belonging to the family Potamotrygonidae makes …

Abstract Knowledge of thermal tolerance limits provides important clues to the capacity of a
species to withstand acute and chronic thermal changes. Climate models predict the …

A pesar de la representatividad de Potamotrygon magdalenae en Colombia, por
encontrarse a lo largo de la cuenca del río Magdalena y sus afluentes, esta raya no ha sido …

The freshwater stingray Paratrygon aiereba have coloration, osteological and morphometric
variations that could suggest the existence of more than one species in Colombia. In order to …