Billions of colorful algae, called zooxanthellae, that live in symbiosis with corals, are responsible for the beautiful colors of the coral reefs.
There are three type of coral reefs: barrier reef, fringing reef and atolls. Barrier reef is usually located in deep water, away from the shore. Fringing reef is fringe-shaped and located in the shallow water. Atolls are island-shaped. They grow on the edges of the lagoons.
There are three type of coral reefs: barrier reef, fringing reef and atolls. Barrier reef is usually located in deep water, away from the shore. Fringing reef is fringe-shaped and located in the shallow water. Atolls are island-shaped. They grow on the edges of the lagoons.
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Animals