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

Sexual dimorphisms are abundant in natural systems; however, their ecological and
evolutionary significance have largely been neglected with respect to Chondrichthyes. A …

on several occasions, the need has been expressed to improve the identification of the
macroscopic maturity stages through a standardization of operational procedures and …

The deep-sea can act as a sink for legacy contaminants such as organochlorines (OCs),
causing damages in its inhabitants for their persistence and their prolonged effects in the …

Mercury (Hg) is a non-essential metal that can have toxic effects on the fitness of organisms
and tends to bioaccumulate with age and to biomagnify in higher trophic levels. Few studies …

The diversity of skeletal tissues in extant vertebrates includes mineralized and
unmineralized structures made of bone, cartilage, or tissues of intermediate nature. This …

Cartilaginous fish are commonly recognized as key species in marine ecosystems for their
fundamental ecological role as top predators. Nevertheless, effective management plans for …

Simple Summary The present study intended to investigate possible variations in body
proportions during the growth of five different shark species that inhabit the Sardinian …

The composition and structure of demersal chondrichthyan assemblages and the biological
parameters of their main species were compared in four geographical subareas (GSAs) …

Reproducing sharks must provide their offspring with an adequate supply of nutrients to
complete embryonic development. In oviparous (egg-laying) sharks, offspring develop …