It's also where an offshore reef, a hang-out for blue whales, comes nearest the shore.

Efforts to protect them have included the conservation and protection of benthic estuarine habitats, as well as rocky offshore reef areas where they breed.

Although waters were kept calm by an offshore reef, the anchorage area was littered with shoals.

Younger fish caught in estuarine areas are often darker than older fish taken from offshore reef areas, and exhibit lighter vertical bands down their flanks.

The ship was wrecked on an offshore reef shortly afterward, although no lives were lost.