👉 Melanorhectes is a genus of small, aquatic crustaceans in the family Crustacea. It includes the species, which are commonly known as the black drum or the black drumhead. These tiny creatures have a wide range of sizes and can be found in various habitats such as rivers, lakes, and oceans. Their primary role is to feed on algae and other aquatic plants, often feeding on small, microscopic structures called epibionts that are attached to the surface of