Sharks, rays, and chimaeras (Class Chondrichthyes; herein 'sharks') are the earliest extant
jawed vertebrates and exhibit some of the greatest functional diversity of all vertebrates …

Arguments for the need to conserve aquatic predator (AP) populations often focus on the
ecological and socioeconomic roles they play. Here, we summarize the diverse ecosystem …

The ocean is a key component of the Earth system (Chapter 1) as it provides essential life
supporting services (Inniss et al. 2017). For example, it stores heat trapped in the …

Decades of overexploitation have devastated shark populations, leaving considerable doubt
as to their ecological status,. Yet much of what is known about sharks has been inferred from …

Global coral reef related tourism is one of the most significant examples of nature-based
tourism from a single ecosystem. Coral reefs attract foreign and domestic visitors and …

A global survey of coral reefs reveals that overfishing is driving resident shark species
toward extinction, causing diversity deficits in reef elasmobranch (shark and ray) …

Over the past 4 decades there has been a growing concern for the conservation status of
elasmobranchs (sharks and rays). In 2002, the first elasmobranch species were added to …

Sharks, rays and chimeras (class Chondrichthyes; herein 'sharks') today face possibly the
largest crisis of their 420 million year history. Tens of millions of sharks are caught and …

Predator recovery often leads to ecosystem change that can trigger conflicts with more
recently established human activities. In the eastern North Pacific, recovering sea otters are …

As manta rays face increased threats from targeted and bycatch fisheries, manta ray
watching tourism, if managed properly, may present an attractive economic alternative to …