👉 Ametrida is a class of marine animals that includes the fish-like species, which are characterized by their unique body structure and adaptations for aquatic life. They have a hard shell or gill slits on their backs to aid in swimming and breathe with gills. Some members of this family include the common eel (Eelioidea), which is often found in freshwater environments, while other species like the staghorn mackerel (Staghornidae) are typically found
