👉 A porphyrin is a type of pigment found in certain species of marine organisms, such as clams and oysters. They are known for their unique blue or green coloration due to the presence of porphyrins in their cells. These pigments are crucial for photosynthesis and serve as signals for predators to avoid feeding on them, which is why they are often referred to as "porphyrs" in reference to their characteristic blue or green coloration.
