This fish is variable in coloration, being brownish or greenish with reddish or yellowish patches. When excited, the fish spreads its "wings", which are semi-transparent, with a phosphorescent bright blue coloration at their tips. The fish also has large eyes. It reaches up to 50 cm (20 in) in length and 1.8 kg (4.0 lb) in weight. The fish's main diet consists of small fish, bivalves, and crustaceans. Learn more about Flying Gurnard