Do not attack "Mahi Mahi" or sharks until you are at least Level 10-12 . They will easily overpower smaller players.
Use this mode to grow without typical map limits, but be aware that it can become laggy if you reach extremely high levels (e.g., Level 500+). How To Be a Pro At Feed and Grow: Fish! - Steam Community Arquivo: Feed.and.Grow.Fish.v0.14.3.5.zip ...
Focus on eating "Whale Sharks" at higher levels (Level 16+) for the most XP, eventually targeting the Megalodon or Sperm Whale once you are massive. Do not attack "Mahi Mahi" or sharks until