What is soft coral made up of?

The soft corals have a flexible skeleton, made of a protein called gorgonin. Their skeleton also contains calcium carbonate, but only in small clumps called spicules. The polyps of soft corals have eight tentacles (hence the name octocoral since the word octo means eight).

Regarding this, what type of coral reef is the Great Barrier Reef?

Scientists generally divide coral reefs into four classes: fringing reefs, barrier reefs, atolls, and patch reefs. Fringing reefs grow near the coastline around islands and continents. They are separated from the shore by narrow, shallow lagoons. Fringing reefs are the most common type of reef that we see.

How many types of coral reefs are there?

The three main types of coral reefs are fringing, barrier, and atoll. Schools of colorful pennantfish, pyramid, and milletseed butterflyfish live on an atoll reef in the Northwestern Hawaiian Islands. The most common type of reef is the fringing reef. This type of reef grows seaward directly from the shore.

How many species of corals are there?

There are over 2,500 kinds (species) of corals. About half of these corals (about 1,000) are the hard corals that build coral reefs. Other corals are soft corals. Soft corals have skeletons that are flexible and can bend with the water.

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