The flower crab, also known as the blue crab or Portunus pelagicus, is a species of crab found in warm coastal waters. It is recognized for its vibrant colors, particularly the blue and green hues on its shell, which can resemble the petals of a flower. These crabs are commonly found in the Indo-Pacific region and are often caught for their sweet, tender meat. Flower crabs are typically found in shallow waters, such as estuaries and mangroves, where they feed on a variety of organisms, including small fish and mollusks. They play an important role in the marine ecosystem and are also a popular choice in seafood cuisine, contributing to local economies in regions where they are harvested.