Explore the fascinating world of fish external anatomy in this comprehensive 34-minute lecture. Delve into the differences between morphology and anatomy before examining various fish body forms, including barracuda, bottom fish, bottom clingers, bottom hiders, flat fish, and rat tails. Discover the diverse fin configurations, branch trays, serrated spines, and pelvic fin positioning found in different species. Learn about the functions of caudal fins and how they relate to fish behavior and habitat. Gain valuable insights into fish anatomy that will enhance your understanding of marine biology and fisheries science.