Ben’s Sharks is a simple Forge mod that adds sharks to the game.

The official CurseForge page also serves as a great wiki for this mod!
In summary, this mod adds 12 sharks to the game as well as Land Mines and a set of Jagged Armor.
Jagged Armor

This armor set has the same strength as Diamond Armor. However, attackers receive a “Bleeding” effect similar to thorns. Bleeding deals 0.25 damage per tick and triggers most sharks to become aggressive.