The sea around Malapascua has far more for divers than just the Monad Shoal and thresher sharks.

BBC: Swimming with sharks in the Philippines

Nearly 25m below the surface, on the Monad Shoal, the waters are quiet.

BBC: Swimming with sharks in the Philippines

The Philippines said it withdrew its two government ships from the shoal on June 15th, citing bad weather.

ECONOMIST: The South China Sea: Roiling the waters | The

Meanwhile Chinese state media also reported that the country's navy has visited the southern-most shoal it claims in the South China Sea.

BBC: China 'fired flares' at Vietnam boat in South China Sea

His job was to shout when he spotted a shoal of fish enter the cove, so the team below could trap and catch it.

BBC: Oman��s sleepy Musandam Peninsula

Eager divers watch in wonder as these five to six metre creatures swim stealthily around the shoal in search of breakfast, their distinctive tails cutting silently through the water.

BBC: Swimming with sharks in the Philippines

Mr. Schettino dropped anchors on one side of the ship, forcing the massive vessel to make an abrupt 180-degree turn that brought it to rest on a shoal.

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The Army officer, who was living in Surrey, had been diving from a local boat on the Adamant Shoal, near Lulworth Banks, when she failed to return to the surface.

BBC: Weymouth Bay

The waters off North Carolina's coast, for a host of environmental factors including sharp winds, shifting currents, hurricanes and a large shoal off shore, make it particularly dangerous for shipping.

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Monad Shoal is classified as an intermediate dive, and most shops require divers to have advanced open water or deep dive certifications since the depth surpasses the normal 18m limit for open water divers.

BBC: Swimming with sharks in the Philippines