Arlong

Arlong is the weakest boss in the East blue. He wields the kiribati sword. His special moves consist of a ground smash with his weapon & a spin move while dashing towards a player(s). 
Arlong spawns on Arlong Park at 1:00-1:25 6:00-6:25 13:00-13:25 18:00-18:25 GMT 
Arlong drops; Arlong teeth (exclusive boss drop), paper, ruby, sapphire, emerald, bullets and other materials.