Apo Reef two lagoon systems, the north and south lagoons which are bounded by narrow reef platforms. It is a almost triangular northern and southern atoll-like reefs separated by a deep channel that is open to the west. The channel runs east to west from deep with a fine white sand bottom, numerous mounds and patches of branching corals under the deep blue water. The north lagoon is an enclosed triangular coral reef platform partly exposed during low tide. It is relatively shallow with depths of about . While the south lagoon is an inverted triangular coral platform enclosed on two sides
Coral Reef Adventure Coral Reef Adventure Coral Reef Adventure is a 70mm American documentary film released in 2003 to IMAX theaters. It is narrated by actor Liam Neeson, and directed by Greg MacGillivray. Embarking on a 10-month expedition through the islands of the South Pacific, husband and wife underwater photography-duo Michele and Howard Hall explore the declining reefs and failing health of the world's oceans. From Australia's Great Barrier Reef, to a friend's coral reef-sustained village in Fiji, the diving expeditions show a range of coral reefs, from flourishing ones filled with unusual and exotic inhabitants, to vast stretches of bleached coral decline