Our understanding of the trophic transfer of pollutants in marine subtropical ecosystems
remains limited due to the complexity of their food webs. Thus, we aimed to evaluate Cd, Cu …

The aim of this study was to determine whether juvenile scalloped hammerhead sharks
(Sphyrna lewini) use the south-eastern Gulf of California as a nursery and feeding area. This …

Biological invasions are considered to be one of the leading causes of biodiversity loss
worldwide. Freshwater ecosystems are amongst the most biodiverse, containing about 50 …

Mercury (Hg) concentrations based on dietary sources have shown to predict differences in
fish; however, they are usually applied at an individual scale and are rarely directed at a …

Stable isotopes have proven effective in the ecological study of terrestrial, freshwater,
marine and estuarine systems. However, their utility in the study of large migratory fishes in …

Billfish rostra potentially have several functions; however, their role in feeding is unequivocal
in some species. Recent work linked morphological variation in rostral micro‐teeth to …

Determining what animals eat is simultaneously challenging and yet also critical for
ecologists, fisheries scientists, and resource managers. The tools of trophic ecology have …

Niche partitioning among closely related, sympatric species is a fundamental concept in
ecology, and its mechanisms are of broad interest for understanding ecosystem functioning …

Black marlin (Istiompax indica) are large, highly mobile, apex pelagic predators of tropical
and subtropical oceans with high economic importance in western North Pacific fisheries. To …

Top predators have substantial downstream effects on the structure, function, and resilience
of ecosystems. The influence of top predators on an ecosystem can vary if they occur within …