👉 Sermyloides is a type of crustacean, commonly known as a "dipper" or "whalefish." These animals are characterized by their flat, smooth bodies, which resemble those of sea creatures like whales and dolphins. They have a well-developed gill slits on their heads that help them breathe underwater, making them excellent for swimming in the open ocean. Sermyloides are also known as "dipper" crustaceans due to their unique appearance