👉 Ptilichthyidae is a family of fish that includes over 3,000 species found in many different oceans. They are known for their unique body structure and ability to swim in various aquatic environments. Ptilichthyidae are characterized by their long, slender bodies with powerful fins, which enable them to move through the water quickly and efficiently. Some of the most well-known members of this family include penguins, seals, and sea lions, among others.