Definition: Marrella is a type of coral that grows in freshwater environments. It typically forms on rocks, boulders, and other hard surfaces and is often found near saltwater bodies like lakes or oceans. These corals are known for their unique patterns and colors, which can vary from colorful to subtle shades depending on the species. Marreles are also important in coastal ecosystems as they provide habitat for a variety of marine life, including fish, crustaceans, and other small animals.
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