👉 Hadrosomus is a genus of fish that belongs to the family Syrphidae, commonly known as the ray-finned fishes or raymonids. These fish are characterized by their long, slender bodies and their large eyes with a single lens located at the back of the eye. They have a strong jaw and a muscular neck for swimming. The genus is also known for its distinctive spines on their body, which serve as a defense mechanism against predators.