Piranha
From YPPedia
The Piranha is a trinket obtained in booty divisions from the Cursed Isles. It was first seen in release 2009-12-08. It is one of the more common types of Cursed Isle trinkets. The Piranha is available in all the colors of the Cursed Isles trinket palette.
Red | Tan | White | Black | Yellow | Violet | Purple | Blue | Aqua | Lime | Orange | Gold | Lt grn | Magenta | Indigo |
Note: A booch was made in the initial release allowing this trinket to potentially be found in all cloth colors save persimmon. This was fixed in release 2009-12-10. All trinkets that had already been won remained unchanged irrespective of color, but future trinkets could only be won in CI-palette colors. All colors known to exist may be seen here.