Lionfish use venom as a protective mechanism. When divers come in direct contact with their spines or fins, venom is injected into the skin through needlelike bristles located along the dorsal, pelvic and anal fins.

Photojournalist Jill Heinerth surveys the fragile marine habitat in the Arctic, where melting sea ice has an ecosystem hanging in the balance.

Conservation organizations are urging people to stay away from seal pups on the beach.

Zack Rago, of the ocean documentary *Chasing Coral*, is honored as a Sea Hero by *Scuba Diving* magazine and Seiko watches.

An online competition is offering a Panama eco-resort, Casa Cayuco Eco Adventure Lodge, as a potential prize for $10 entry.

Silversea Cruises is offering the first world cruise to visit all seven continents. The 140-day trip will stop at more than 60 ports and 32 countries.

Scientists found microplastic particles in 93 percent of the bottled water they tested, prompting a review of the health effects on humans by the United Nations.

A scuba diver filmed a massive wave of trash and marine debris at a popular dive site off Bali, illustrating the effect of trash pollution on ocean life.

Sylvia Earle joins PADI, world's the largest dive training agency, in encouraging everyone to become a "Hope Spot."