Learn how to identify key coral species like the *Isopora Palifera* coral.

Overfishing and bycatch pose major threats to many marine species—this former fisherman hopes to bring these conservation issues to the forefront.

Scientists work to protect the World War II shipwrecks of Truk Lagoon and prevent them from releasing contaminants into the water.

Why plastic-straw bans and sunscreen bans may not be the best solutions for the environment.

Learn how to identify key coral species, starting with pocillopora corals, also called cauliflower coral.

Jim Ritterhoff helps ex-military divers find a new purpose through Force Blue, earning him Sea Hero honors by Scuba Diving and Seiko.

Shark conservationist Randall Arauz is named the May 2019 Sea Hero by Scuba Diving magazine and Seiko Watches.

Sharpen your coral-ID skills with these expert tips on how to identify flesky disk coral, or Scolymia lacera.

Marine biologists Christy and Brice Semmens earned Sea Hero honors from *Scuba Diving* magazine for their work with the Grouper Moon Project.