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Ask a Marine Biologist Articles

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 Many Large, Undiscovered Species Are Still Out There?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about what’s still lurking in the deep.

Do Shark Feeding Dives Impact Other Fish?

In this edition of Ask a Marine Biologist, Dr. David Shiffman answers a question about how divers feeding sharks impacts the broader ecosystem.