👉 The term "phociform" is a scientific term in marine biology that refers to the large, streamlined fish-like creatures called clams. They are characterized by their long, flexible arms and body, which they use for swimming, digging burrows, and capturing prey. Clams are found in freshwater habitats such as rivers, lakes, and oceans, and are known for their unique feeding habits, where they feed on algae and other small organisms.