From PathfinderWiki
A monkey goblin expertly wields a shortspear.

A shortspear, or short spear, is about three feet in length, making it a possible to use as a thrown weapon as well as in melee.1

In religion

The shortspear is favored by the archdevil Mammon. The variant used by his followers are called Fangs of Erebus.2 The shortspear is also classed as a favored weapon by the dog-headed agathion empyreal lord, Lorris3 and by the ancient infernal duke, Gaap.4