Blue-Finned Elephant Tuna

A Blue-Finned Elephant Tuna(Titanic Tuna in the English dub) is a fish that comes from the South Blue and has elephant-like features. It is known as 'the jewel of the sea' it is supposed to be a miracle ingredient for cooking. It is not found in the East Blue.

In the original Manga, Sanji bought one, while in the Anime, Sanji competed in a contest against another cook, Carmen and won it.