Words and Photography by Brandon Cole Clinging to a sponge-covered piling under Australia’s Blairgowrie Pier, giant spider crabs hope to avoid being eaten by predators patrolling the sand below. Each winter, tens of thousands of crabs with legs spanning 16 inches (40cm) march from deep water into the shallows of …

Winter diving weather along the British Columbia coast is not infrequently overcast but when the sun peaks through the clouds up there in the sky, divers can be rewarded with the best visibility of the year. This photo was taken during such a winter’s day in Agamemnon Channel, which …