The Claw Shrimp (or Caster Lobster) is a monster found in the Silver Land dungeon, Lake Aurora. It somewhat resembles the Armored Lobster of Partusay's Sea.
They also have an Emerald counterpart.
Attacks
The Claw Shrimp has both melee and ranged attacks. Its melee attack throws players skyward, while its ranged attack is a little blue projectile launched horizontally. The range of the projectile is indefinite.