Blame the Ballast

MARITIME TRANSPORT HAS MORE TO DO WITH CORAL DISEASE than you might think. Just like most animals, corals can get diseases. Researchers first recognized coral disease in the early 1970s. […]

coral disease from ballast water, connection between coral disease and maritime transport, ships, ballast, coral disease, coral bleaching, human influences on coral disease, microscopic organisms called ciliates, ballast water exchange (BWE) ballast water management, control your dive buoyancy to protect coral, decontaminate dive gear to protect coral, Alert Diver magazine Q4 2023

The Status of a Symbol

Thanks to manatee protections, populations have increased. Manatees are a symbol in Florida and very important. Read more about Florida manatees.

A group of manatees hover in the water

Hydrothermal Vents

Hydrothermal vents are underwater volcanoes that play an important role in the ocean’s temperature, chemistry and circulation patterns. Read more about hydrothermal vents and their importance to scientists.

Ugly pink fish in a bed of mussels

Fighting the European Green Crab Invasion 

One of the world’s most destructive invasive species is gaining new ground — or water — in Canada and up to Alaska. Carcinus maenas, which translates to “raving mad crab,” outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish. They destroy seagrass, an essential habitat for juvenile salmon, herring, rockfish, and many other marine animals.

A mass of invasive European green crabs

Sunscreens Linked to Coral Bleaching

Did you know your sunscreens could actually be hurting the world’s coral reefs? Learn more about safe sunscreens and protecting these resources.

A bleached coral reef

Flooded Forests

Mangrove forests are a vital part in the aquatic ecosystem. Learn more about mangrove forests and how divers can explore them.

Over-under shot of a mangrove forest with fish below

Guardians of Malpelo

Colombia has some of the strictest illegal fishing laws in the world, but people still need to stand up and enforce them. Erika Lopez has taken on the role of guardian of Malpelo, an island 314 miles (506 kilometers) west of Colombia.

This whale shark is feeding on the spawn of jacks at dusk.

How to (Re)Build a Kelp Forest

Kelp forests are incredibly important for healthy ecosystems’, and they are getting rebuilt in California. Read more about kelp forests.

Diver uses a pick axe

When Garbage Doesn’t Die

Garbage, especially plastics, can be found all over the world in all kinds of bodies of water. Read more about what is being done and what divers can do help clean it all up.

Petri dish full of tiny plastic particles and marine life