Callionymus lyra, commonly known as the common dragonet, is a small fish found in the North Atlantic and parts of the Mediterranean Sea. It typically inhabits sandy or muddy substrates at depths ranging from 10 to 100 meters. This species is characterized by its elongated body, vibrant colors, and distinctive dorsal fin. The common dragonet primarily feeds on small invertebrates, such as crustaceans and worms. Males are known for their bright coloration and elaborate courtship displays, which they use to attract females during the breeding season. This fish plays a role in the marine ecosystem by contributing to the food web.