Each individual cetacean is an ecosystem itself, potentially harboring a great variety of
animals that travel with it. Despite being often despised or overlooked, many of these …

Abstract 548 shark species were considered in this paper. They were classified in function of
their depth of occurrence: 218 deep, 114 transitory and 210 shallow. The diets of the 332 …

White sharks (Carcharodon carcharias) play a crucial ecological role, sha** ecosystems
through direct predation and risk effects. On the east coast of Australia, immature white …

Chondrichthyans have a long evolutionary history, reaching back over 450 million years.
Despite the longevity of the chondrichthyan fossil record, it is remarkably incomplete. This …

Quantifying the trophic role of a species is key to understanding its ecology and ecological
role. Their trophic role can influence community composition, ecosystem stability, and …

Sharks, as top order predators, provide a guidance on how contaminants such as mercury
bioaccumulate in marine environments. This study assessed the bioaccumulation of mercury …

Marine fisheries resources are under increasing threat, necessitating the development of
new effective monitoring and management strategies. Environmental DNA (eDNA) and RNA …

To settle the emerging debate on whether a “ten-year fishing ban” is too long or an annual
fishing moratorium is enough for fish resource restoration in the Yangtze River, a long-term …

Abstract Ectoparasitic cookiecutter sharks (Chondrichthyes: Squaliformes: Dalatiidae;
Isistius) share common features for jaw and teeth structure, in particular, robust lower jaws …

This study delves into the foraging ecology of the cookiecutter shark (Isistius brasiliensis) in
the Saint Peter and Saint Paul Archipelago (SPSPA), assessing bite marks on pelagic fishes …