What was the name of Captain Nemo's submarine in "20,000 Leagues Under the Sea"?

The name of Captain Nemo's submarine in Jules Verne's "20,000 Leagues Under the Sea" is The Nautilus. The Nautilus is a mysterious and advanced vessel that allows Captain Nemo to explore the depths of the ocean while remaining hidden from the surface world. The name is derived from the nautilus, a marine mollusk known for its unique shell structure. Just like the nautilus, Captain Nemo's submarine represents a remarkable feat of engineering and serves as a symbol of exploration and discovery in the novel.