The Tropical Barracuda is quest item that is needed for the Angler. It is obtained by fishing on the surface Jungle.
Piranhas and sharks are ugly! Soooo ugly! Did you know there's a fish that looks very pretty and still can eat your face off? I would pay 2 platinum to see that happen, by the way... To the point, though, you catchy for me. Just make sure I have it before you lose your face!