The objective of this study was to analyse the feeding habits and trophic interactions between four oceanic predatory fish around Fernando de Noronha Archipelago (FNA), Brazil, in western equatorial Atlantic (3.86°S/32.42°W), internationally recognized as an environment high economic ecological value. For purpose, biological samples yellowfin tuna (Thunnus albacares), wahoo (Acanthocybium solan...

Mangroves and seagrass beds are considered nurseries for juvenile fish, but little experimental evidence exists to elucidate which factors make them attractive habitats. A multifactorial field experiment on the use of these habitats by juvenile reef fish and their behaviour was performed during daytime with experimental units (EUs: 1 × 1 × 0.8 m), each representing a unique combination of the f...

The marine biodiversity of Gabon, West Africa has not been well studied and is largely unknown. Our examination of marine communities associated with oil platforms in Gabon is the first scientific investigation of these structures and highlights the unique ecosystems associated with them. A number of species previously unknown to Gabonese waters were recorded during our surveys on these platfor...

Extracellular electrograms, recorded directly from the heart, are the hallmarks of invasive cardiac electrophysiology and provide information about the electric status of the underlying myocardium. These electrograms are generated by depolarization of cardiomyocytes that generates transmembrane currents in extracellular space and potential differences due to electric resistance of the extracell...

Ring nets are modified purse seines used for pelagic fishing along the Kenya coast. This method is however associated with potential negative environmental implications in inshore and shallow grounds. Biological impacts on selected species caught marine waters of Kilifi were investigated during Southeast Monsoon season (SEM) April, May September 2014, Northeast (NEM) October November March 2015...