The Mandarin fish, also known as Mandarinfish or Synchiropus splendidus, is a small, brightly colored marine fish native to the coral reefs of the Pacific Ocean. They typically grow to about 3 inches in length and are known for their vibrant blue, orange, and green patterns. These fish are popular in the aquarium trade due to their striking appearance. Mandarin fish primarily feed on small invertebrates, such as copepods and amphipods, which they hunt among the coral. They are known for their unique swimming style, using their pectoral fins to glide gracefully through the water. Mandarin fish are also notable for their monogamous behavior, often forming long-term pair bonds.