Size Tiers are groups of different playable sharks in Hungry Shark World, each containing 3 sharks as of April 23, 2017 with the exception of the Tier XS, having only the Blacktip reef shark, and the (!!) tier, having 5 sharks.
Classes (and what they can break)
There are currently 7 different Size Tiers, each capable of breaking a new barrier (other than Xs sharks), as well as any barriers smaller sharks can break. (M sharks and up can also break land barriers [I.e. ice sheets]).
- XS sharks (Cannot break anything)
- S sharks. (Breaks bones)
- M sharks. (Breaks Cobblestone)
- L sharks. (Breaks metal)
- XL sharks (Breaks Rocks [Jade])
- XXL sharks (Breaks crystal)
- (!!) Sharks. (Breaks purple crystal)