Many populations of elasmobranchs (sharks and rays) are experiencing severe declines
due to the high demand for shark fins in Asia, the activities of unregulated fisheries, and …

The reproductive diversity of extant cartilaginous fishes (class Chondrichthyes) is
extraordinarily broad, reflecting more than 400 million years of evolutionary history. Among …

Circle hooks have been promoted as an alternative to traditional J-hooks in pelagic longline
fisheries to minimize bycatch mortality and injury to sea turtles and other marine wildlife. We …

Species of petrels and shearwaters with high diving ability could facilitate the catch of
albatrosses in pelagic longline fisheries, because they retrieve bait to the surface from …

The reproductive system of the red stingray Hemitrygon akajei was described from 1,418
specimens, 682 males and 736 females, sampled year-round (2003–2014) from Ariake Bay …

Bycatch in longline fisheries is considered one of the main threats for the conservation of
albatrosses and petrels worldwide. However, the relative impact of fisheries on all the …

Elasmobranchs play crucial roles as predators in marine ecosystems. Understanding their
trophic strategies and interactions is necessary for comprehending food web dynamics and …

Bycatch is one of the main causes of human-caused mortality and population decline of
many marine mammals. Monitoring bycatch is the first step to understand the impact of the …

Pelagic stingray (Pteroplatytrygon violacea) is the only species of stingray (Dasyatidae) that
utilizes both pelagic and demersal habitats. It is the main bycatch species in pelagic longline …

.—The pelagic stingray, Pteroplatytrygon violacea, is commonly encountered as bycatch in
pelagic longline fisheries targeting swordfish, Xiphias gladius, and tunas; however, very little …