Skip to main content
x

David Shiffman, Ph.D.

Dr. David Shiffman is a marine conservation biologist who studies threatened sharks and how to protect them.

Are Manta Ray Night Dives Ethical?

How manta ray encounters are structured shapes their impact on wildlife.

How Often is New Life Discovered in the Ocean?

Hundreds of new ocean species described by scientists every year—but described doesn't mean newly discovered.

How Accessible Are Marine Biology Careers for Disabled People?

You do not need to be able to scuba dive for a career in marine biology, but there are ways for the field to improve inclusivity.

How Smart are Octopuses? Are Other Marine Animals Smart?

Dolphins aren't the only animals that use tools — octopuses and otters do too.

How Does the Moon Affect Marine Life Behavior?

The light of the moon can shape hunting, mating and more in the ocean.

How Can I Help After an Oil Spill?

The best thing to do is work to prevent the next one. Here are some ideas.

Three Lessons from Interviewing Shark Advocates Around the World

Conservationists that don’t stay up to date on the scientific research are likely to endorse ineffective policy solutions, but when scientists and conservationists work together, both groups benefit.

Meet the Global Conservation Decision-makers You’ve Never Heard Of

Held every four years, the World Conservation Congress’ meeting of the IUCN’s highest decision-making body is one of the most important conservation events you likely don’t know.

Walking Sharks: What a New Scientific Discovery Means—and What It Doesn’t Mean

Walking sharks are millions of years old, there's no reason to panic about the "new" ones recently discovered.