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Imagine waking up in the early hours of the morning at your favorite dive site. The sun hasn’t quite peaked above the horizon, and light is minimal. You don your dive gear, grab your camera, and giant stride off the back of the boat to begin your descent into the dimly lit ocean.
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.
To pee or not to pee? That is not the question for technical divers, instructors, or others who spend long hours in the water. Proper hydration and comfort ensure that urine will flow. The question is, What’s the best way to handle it?
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Young women beginning their careers as dive instructors regularly ask me how to be heard on a dive boat. Their experience is that guests don’t naturally listen to their directions. The dive industry has improved, and I don’t want to downplay the vast improvements that have already happened for women dive professionals. But this is a common question, so it remains relevant.
Whale sharks are easy. Basking sharks are hard. Whale sharks usually inhabit warm, tropical waters, while baskers prefer cooler, temperate regions.
BEING STUNG BY A LIONFISH is like being bitten by a poisonous snake. I found that out the hard way.
DAN medics and researchers answer your dive medical questions.
Everything changed for Una-Una on July 14, 1983, when a volcanic eruption destroyed the central hub of Indonesia’s Togean Islands in central Sulawesi. Lava covered 90 percent of the island, and thick, black smoke rose into the sky more than 9 miles high. The Indonesian Navy had evacuated all 7,100 inhabitants when the volcano gave signs of its impending eruption, preventing any loss of life.
THE CRYSTAL-CLEAR EASTERN ADRIATIC SEA is promising and seductive. The tiny islands, with their rocky beaches, upright cliffs, and hidden lakes, offer a variety of environments and ecosystems that are […]
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