Sand Shark

The  is an uncommon desert creature that only spawns during sandstorms, and is very resistant to knockback. It attacks like a shark, but on land, with the addition of a dash attack. It can easily kill a player who is unprepared.

Variations
There are Four variations of the Sand Sharks, one being the Sand Shark, which spawns in the desert, the Crystal Thresher which spawn on Hallowed Deserts once the Wall of Flesh has been killed, the Bone Biter which spawn on Corrupted Deserts, and the Flesh Reaver which span on Crimtane Deserts. The Crystal Thresher can drop the Light Shard, then the Flesh Reaver and Bone Biter can drop a Dark Shard.