👉 Ichthyologists are scientists who study and classify various types of marine animals, including fish, crustaceans, octopuses, and certain species of sharks. They focus on the anatomy, behavior, ecology, and physiology of these creatures to better understand their role in the ecosystem and conservation efforts. Ichthyology is a specialized field that involves understanding and studying aquatic life, which can include everything from fish and shellfish to sharks, crocodiles, and other marine animals.