Coral bleaching

Coral bleaching is the loss of zooxanthellae. Zooxanthellae give coral its color, when under stress corals may expel their zooxanthellae.coral bleaching happens when the conditions coral needs to sustain their zooxanthellae can't be maintained.since many animals rely on coral for protection and food, a lot of fish would become extinct without it. This is an important topic because many societies rely on fish for their food and livelihood.