Sea food is a broad term that encompasses many different types of aquatic creatures. KELP is a type of seaweed that grows in shallow, nutrient-rich ocean waters. PLANKTON are microscopic organisms that drift in the ocean and form the basis of the marine food chain. ROE is the eggs of fish or other aquatic animals, often used as a culinary ingredient. CLAM is a type of bivalve mollusk found in both saltwater and freshwater habitats. All of these items are considered to be sea food and are commonly eaten around the world.