The present study documents, for the first time, the ingestion of microplastics (MPs) by
Longnose stingrays in the Western Atlantic Ocean. We examined 23 specimens of Hypanus …

Sharks exhibit peculiar characteristics, which may lead to overfishing to cause irreversible
damage to stocks and failing to restore original population sizes. Although global fin trade …

An integrative approach by the congruence of genetics, morphology and ecological niche
modelling (ENM) was used to delimit a new species of Hypanus (Rafinesque, 1818), a …

Reef fisheries are multispecific and employ a variety of fishing gears across marine
environments, even in remote areas. This intricate and multifaceted nature of reef fisheries is …

Gymnurid rays are found in tropical, subtropical, and temperate regions around the world,
where they are associated with sandy or muddy bottoms in coastal areas, being easily …

Elasmobranchs represent a well-defined group, composed of about 1,150 species
inhabiting diverse aquatic environments. Currently, several of these species have been …

The smalltail shark, Carcharhinus porosus, was the most abundant elasmobranch species in
fisheries off Brazil's northern coast (BNC) in the 1980s, but its population has been declining …

Elasmobranchs exhibit the biggest population declines among vertebrates, being
considered one of the groups with the highest risk of extinction. The Brazilian Amazon Coast …

The diversity of freshwater obligate and euryhaline generalist chondrichthyans is low, yet
they offer a unique insight into elasmobranchs adapted to non-marine environments. The …

Brazil comprises one of the world's biodiversity hotspots of the chondrichthyan fauna,
currently with 12 orders, 44 families, 90 genera and over 200 species of sharks, batoids, and …