Shark jawbone

The Shark jawbone is an item used to construct the Shark jaw at level 71 Construction in the surface area of Aquariums. It is a possible reward from opening a prawn ball at a 11/200 chance and can be traded between players. Constructing the item requires 1 mahogany plank.

Trivia

 * The examine text refers to the line "You're gonna need a bigger boat" from Steven Spielberg's Jaws.