Marine biodiversity worldwide is under increasing threat, primarily as a result of over-
harvesting, pollution and climate change. Chondrichthyan fishes (sharks, rays and …

Sharks are traditionally classified as generalists that use a diverse range of habitats and
prey. While this is an accurate description of some species, sharks exhibit a range of …

Habitat use and selection influence population dynamics, interspecific and intraspecific
interactions, ecosystem structure, and biodiversity (Morris 2003). Ontogenetic shifts in …

Ecosystem-based management on coral reefs has historically focused on biodiversity
conservation through the establishment of marine reserves, but it is increasingly recognised …

The role of learning in behaviour is well known for many animal taxa, including teleost
fishes, insects, birds and mammals. However, its importance to sharks in everyday …

The Eocene rocks exposed in the Fayum Area, Egypt, are well known for their fossil
vertebrates but in recent times the sharks and rays have been largely neglected. Extensive …

The ability to understand the functioning of ecosystems requires an understanding of the
role individual or groups of species play within that environment. Defining ecological roles is …

Ontogenetic niche shifts are widespread. However, individual differences in size at birth,
morphology, sex, and personalities can cause variability in behavior. As such, inherent inter …

Checklist of Chondrichthyans of the Tropical Marine Ecosystem.............................. 201 Class
Chondrichthyes: Cartilaginous Fishes................................................................. 201Subclass …

The partitioning of dietary resources is a potential mechanism by which competing species
can coexist. We examined local-scale dietary partitioning among 3 sympatric stingrays …