Verified 2026-10-04 · game version 1.1.3 · how we source things
All 11 bosses
Bosses in How to Fish are summoned, not found. You need the right item in hand — and several of those items are one-use, so a wasted throw costs you a farm run.
| # | Boss | Island | Trigger |
|---|---|---|---|
| 1 | Spider Crab | 1st island | Empty Beer Can |
| 2 | Giant Piranha | 2nd island | Modified Leech |
| 3 | The Old Pike & Sunfish | 2nd island | Beginner Boss Lure |
| 4 | Blue Shark | 3rd island | Standard Boss Lure |
| 5 | Pufferfish | 3rd island | Carrot |
| 6 | Tuna | 4th island | Professional Boss Lure |
| 7 | Goblin Shark | 5th island | Scientific Boss Lure |
| 8 | Bowhead Whale | 5th island | Fish Bucket |
| 9 | Mutated (Magma) Bowhead Whale | 5th island → volcano | the defeated Bowhead Whale itself |
| 10 | Manta | random islet | oil barrel |
| 11 | Bing Bong (easter egg) | 2nd island | special Coconut |
That is exactly 11 — which matches what other sites claim, but here every row can be traced to a source.