Cabo Pulmo

Cabo Pulmo is a National Marine Park in Mexico and can be described as a treasure. From humble beginnings, this small marine preserve has become a bastion of biodiversity.

Thousands of schooling jacks dwarf a nearby diver

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

Treating DCS in the Miskito Coast

The Miskito Coast has a decompression sickness epidemic as many cases go undiagnosed in diving fishermen. Read more about DCS in the MIskito Coast.

Man kneels over bowl of lobster tails

Equipment for Dive Emergency Prevention & Response

Equipment can prove necessary in a dive emergency — but do you know what to stock? From glow sticks to knives, it’s important to be prepared for all scenarios. Learn about equipment options for all kinds of dive and boat emergencies.

DAN emergency signaling kit has a whistle and glow stick

Life and Stress at the Ice Edge

Emperor penguins are the largest species of penguins and they have very fascinating behaviors. Read one diver’s account of witnessing and photographing these penguins.

Emperor penguin coming up for air through ice hole


Seacology is an organization that provides tangible solutions to impacted areas. Read more about Seacology.

Two women plant mangrove trees on sandy shores

Ghost Fishing

A team of volunteer divers works together to remove cast-off, derelict fishing nets to help the local animal life. Read more about the venture to remove the nets.

Two divers approach shipwreck and cast-off nets

Member Profile: Guy Harvey

DAN member Guy Harvey, Ph.D., is a gifted artist and depicts marine life in dramatic ways. His work acts as a way to champion for the oceans. Read more about Guy Harvey’s story.

Guy Harvey paints a marlin

Hit List

Of the fish sighted around Bay Islands, Honduras in the last 20 years, the writers compiled a list of several they had yet to interact with. Here are their tales.

A redcheek goby has a black-and-green striped body, with a red-striped head

Rhode Islands Blues — And Makos

Don’t let its size fool you: Rhode Island offers divers a lot to see — including some great shark sightings. Read more about where and how to dive in Rhode Island.

A shortfin mako has beady eyes and its mouth is open. It looks fierce and hungry