One of the most dangerous early-game predators. Learn how to survive its attacks and secure the $2,000+ payout.
Tube: Pufferfish Tube or higher. You need the 180m+ depth rating and oxygen capacity.
Gun: Wasted Gun (Recommended) or Crossbow. Lower tier guns will take too long, and you will run out of air.
The Ancient Shark is aggressive. If it gets close, it will bite you, damaging your Oxygen/Health.