America’s marine protected areas help fish populations thrive. Trump’s plan to open them to industrial fishing may ultimately harm the fishing industry itself.
- Faculty Research Associate in Marine Biology, Arizona State University
A new initiative is pinpointing areas in the world’s oceans that are key habitats for sharks and their relatives, so that governments can consider protecting these areas.
Rhino rays, which are close relative of sharks, are some of the most fascinating – and most threatened – fishes that you’ve never heard of.
A study offers evidence that marine biology’s biggest stage is broken, and suggests ways to fix it.
Sharks are much more severely threatened by humans than vice versa. A marine biologist explains how people can help protect sharks and why some strategies are more effective than others.
Contact David for
- General
- Media request
- Speaking request
- Consulting / Advising
- Research collaboration
- Research supervision
- Location: Washington, D.C., U.S.
- Website
- BlueSky: @whysharksmatter.bsky.social
- Facebook: whysharksmatter
- X (formerly Twitter): @whysharksmatter
- Article Feed
- Joined




