Niche partitioning of time, space or resources is considered the key to allowing the
coexistence of competitor species, and particularly guilds of predators. However, the extent …

Sharks are a diverse group of mobile predators that forage across varied spatial scales and
have the potential to influence food web dynamics. The ecological consequences of recent …

The feeding ecology of two reef fishes associated with artificial reefs in the northwest Gulf of
Mexico (GoM) was examined using gut contents and natural stable isotopes. Reefs were …

Abstract Sawsharks (Order: Pristiophoriformes, Family: Pristiophoridae) are a highly
distinctive group of sharks, characterized by a tapering saw‐like rostrum with a pair of …

Estuaries promote high levels of productivity and biodiversity by providing habitat for many
biological communities due to their wide range of environmental conditions. Estuarine …

Tissue-based burdens of polycyclic aromatic hydrocarbons (PAHs) and polychlorinated
biphenyls (PCBs) were integrated with ethoxyresorufin-O-deethylase (EROD) and …

Stable‐isotope analyses (δ13C, δ15N and δ34S) of multiple tissues (fin, muscle, red blood
cells and plasma), revealed ontogenetic shifts in resource use by grey reef sharks …

New isolated teeth from the Upper Cretaceous of Ukraine and belonging to the extinct
durophagous shark Ptychodus are described here. The taxonomic identification of the …

Few studies have investigated the prevalence of polybrominated diphenyl ethers (PBDEs) in
deep-sea sharks. In this study, the levels and profiles of PBDEs were determined in liver …

Offshore sand shoals are a coveted sand source for coastal restoration projects and as sites
for wind energy development. Shoals often support unique fish assemblages but their …