Rays (superorder Batoidea) are the most diverse group of elasmobranchs, and many are
threatened with extinction. However, there remain areas where research on the ecology of …

Understanding key aspects of the biology and ecology of chondrichthyan fishes (sharks,
rays, and chimeras), as well as the range of threats affecting their populations is crucial …

Over the last decade, the study of shark biology has benefited from the development,
refinement, and rapid expansion of novel techniques and advances in technology. These …

Microplastics (MPs) found in marine invertebrates have aroused great concern, but MP
ingestion by cephalopods is rare. To evaluate MP contamination in commercially important …

Latin American countries have a high diversity of sharks, rays, and chimaeras, yet many
species are at high risk of extinction due to numerous threats. The conservation of …

Understanding trophic relationships of fish in estuarine ecosystem is an important element
for sustainable resource management. This study examined the feeding habits of 29 …

The impact of shrimp trawl fisheries on slow-growing demersal sharks, skates and rays has
been widely documented. Yet, a lack of catch records and biological information has …

A sympatric assemblage of morphologically similar predators is expected to exhibit fine-
scale habitat segregation, or resource partitioning, to reduce the effects of direct competition …

Hawksbill turtles (Eretmochelys imbricata), considered Critically Endangered, have several
small populations in the Eastern Pacific (EP). Knowledge about their diet and habitat use …

Although chondrichthyans are conspicuously present in shallow waters, many ecological
aspects of neritic species in the Humboldt Current System remain unknown. This study …