Reef+Building+Corals

__ REEF BUILDING CORALS __

There are two kinds of corals hard and soft.They get nutrients from microscopic algae living within their tissue. All coral hard and soft needs clear warm ocean water. Water must be between 75 and 88 degrees. They like warm currents. They eat small animals like zooplankton. When they fight large fish they produce chemicals in their tissue. They live in colonies. Coral reefs are a sourc​e of food and medicine.They are typically restricted to shallow warm tropical waters. Over 25% of the marine life live in coral reefs. Reefs off of 93 countries have been damaged. Corals get stressed and even die from temperatures.Most corals are made up of hundreds to thousands of individual polyps. media type="custom" key="5557073" media type="custom" key="5557213" width="60" height="60"