Piranha
A very dangerous freshwater fish. <How to use> Can be exchanged for competition points, rewards, XP, and SP by talking to Jouri at the event fishing dock in Giran. Note! If piranha bites Jouri, you won't receive points, rewards, XP, and SP.
Not dropped by monsters.
Cannot be spoiled.
The chances are official (x1). On servers with x10, x100 and higher rates, drop and spoil come more often.