The Mahi Mahi is a tier 8 animal that evolves from Beaver, Gulper Eel, Anglerfish, Penguin, Piranha, or Snake. If you breach, you will gain a 33% speed boost, maxing out as a 66% speed boost. The Mahi Mahi has two boosts and if you charge a boost and have your cursor over another player or NPC while you activate it, you lock onto them and gain a 110% damage bonus.
The Mahi Mahi will evolve into a Dolphin or a Sea Turtle