Rice coral – named for the rice grain-sized projections on the skeleton surface – is one

The mushroom coral is one of the most recognizable species of Hawaiian stony corals. It is named for

Lobe coral is one of the four most prominent reef-building coral species in Hawai‘i. Found throughou

One of the four most abundant species of Hawaiian reef-building corals, the cauliflower coral is a s

Black corals, or antipatharians, are colonial animals, related to sea anemones and stony corals. The