This may skew the perceived impact of reef damage.

Compressors allow fishers to fish in deeper waters for longer periods of time, facilitating reef damage as fishers search for lobsters hidden underneath corals and other living refuges.

Tourism may contribute to reef damage.

The breakthrough was billed as a milestone in the effort to restore reefs damaged by pollution, disease and the warming of the oceans.

Yet with the former's sea life ravaged by overfishing and the latter's reefs damaged by the tsunami and coral bleaching, where now?

A rocky reef, parts of which break the surface at low tide, extends for 100 m from the western end of the island.

The park's (rocky reef, kelp bed, sand flats, and submarine canyon) make it a popular destination for snorkelers and scuba divers.

These nets, often nearly invisible in the dim light, can be left tangled on a rocky reef or drifting in the open sea.

The island features an old building with sleeping quarters, several beaches, inshore rocky reef and a boat anchorage.

It forms loose groups of up to twenty individuals and defends a territory over a rocky reef with plenty of crevices in which to lurk.

Look out for giant manta rays gliding around a tropical reef based around two huge shipwrecks 25 metres down.

Tropical reef diving became his passion.

I'm going scuba diving, albeit in a swimming pool rather than around a tropical reef.

Tough work, hanging around a tropical reef, but someone's got to do it.

The reefs are home to about 100 tropical reef fishes, waving gorgonians called fan corals, and the various species of hard corals.