Hard coral

Montipora coral

Beautiful hard corals with amazing patterns are found in the dark water fjords around Tufi Dive Resort, Oro Province, Papua New Guinea.

These hard corals look kind of ugly during the day but at night when feeding, are quite beautiful

A new study shows that in Earth's past, warmer acidic oceans have led to the collapse of stony coral reefs, allowing softer corals and sea anemones to take their place.

This diverse family of hard corals grows at it's tips. This particular species has one large polyp at the end, then smaller ones down the sides

The class Anthozoa contains hard and soft corals. All have polyps; hard coral polyps have 6-sided symmetry and soft coral polyps are 8-sided. Also known as octocorals, the latter have feathery tentacles as you can see here. Carijoa is a successful genus around the world, with some species (C. riisei) becoming invasive in the Pacific. Shiprock.

Fragger's Remorse?... I know I should do it. Reef Discussion

Coral reefs are a veritable Eden, with wide varieties of life that aren't seen elsewhere on the planet. With the slow changes of Earth's climate, many areas of reefs are being eliminated, so humans are building artificial reefs using sunken ships and other objects. If you get a chance

˚Hard Coral Polyps - Ras Umm Sid

Hard corals grow in colonies and are the architects of coral reefs, with calcium carbonate skeletons.

As part of our series of posts on marine life identification, here's list of common types of hard coral you'll spot when reef diving.

Maldives Deep South

Photo about Coral reef with great hard and soft corals at the bottom of red sea in egypt. Image of ecosystem, calendar, colorful - 28811244

A typical colony of branching coral

Page 8- Show off your Rarest/Most Colorful SPS corals SPS Keepers