At dawn, the fishermen waded into the tide pools to collect rock crabs for the market.

At low tide, a line of soldier crabs hurried across the sunlit beach.

The marine biologist studied the swimming crabs during low tide to document their mating behavior.

The reef crabs scuttled between the coral branches as the tide came in.

Children squealed as sand crabs darted around their feet at low tide.

Fishermen were surprised when they pulled up a trap full of king crabs at dawn.

Fishermen hauled baskets full of Dungeness crabs onto the dock at dawn.

At dusk, coconut crabs scuttled across the beach carrying half-eaten coconuts back to their burrows.

When the tide went out, the hermit crabs lined up along the shoreline, each carrying its borrowed home.

Marine biologists were surprised to find a school of butterfly crabs camouflaged among the coral.