What is another word for fish tails?
Pronunciation: [fˈɪʃ tˈe͡ɪlz] (IPA) 
Fish tails refer to the end of a fish's body that helps in movement and especially swimming. However, there are several synonyms for fish tails. These include caudal fins, tail fins, and heterocercal fins. Caudal fins are the vertical fins that are usually located at the end of a fish's body, while tail fins refer to the appendage that the fish uses to swim. Heterocercal fins, on the other hand, are the types of fish fins that have two distinctly shaped lobes of different sizes. Regardless of what you call them, fish tails are an important part of a fish's anatomy that helps them navigate through their environment.
