Definition: Melolonthidae is a family of approximately 100 species of small to medium-sized marine fish, primarily found in tropical and subtropical oceans. These fish are known for their distinctive characteristics, including large mouthparts and streamlined bodies. The family includes a wide range of species, with some being unique to certain regions or habitats. Some notable members include the common melonhead (Melolonthus melonheadi), which is found in the eastern Pacific Ocean; the yellow-b