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Give a shark*
Osrs, right?
Edit: sharks provide 20hp, and At level 76 Fishing, players can start catching sharks, but only an average of 150 sharks can be caught per hour, yielding 50,550.
https://oldschool.runescape.wiki/w/Money_making_guide/Catching_sharks
Sharks are fish
Confucius read the guide a long time ago and couldn't remember which fish was good for money making
Reminds me of the innumerous hours I spent just levelling to 80.
Fishing levels? I’m heading to Karamja and needs some fishing mates