The Sandbelching Meerslug is a Boss in Pikmin 3, it is the third majorboss encountered in the Story Mode as well as the boss of Tropical Wilds. It is a light brown creature similar to a lamperey eel. It holds the Folded Data Glutton which is needed to expand the communication range of the S.S. Drake, it also holds the Crimson Banquet, a fruit worth 3 bottles of juice.
The Sandbelching Meerslug move around the battlefield under the sand and is able to create vortexes that sucks Pikmin. To prevent that, the captains must throw Bomb Rocks in the mouth of the beast when it appears at the bottom of the vortex, this will eject the Sandbelching Meerslug out of the sand and render it vulnerable to Pikmin attacks. The Sandbelching Meerslug is also able to spit balls of sand, which can plant Pikmin in the sand. Those Pikmin must be plucked or they will be unable to resist the vortexes' suction and die.
The Sandbelching Meerslug is the largest boss the Pikmin have to carry to the Onion in the whole series.