Bosses in Another Crab's Treasure are various, that makes the boss fights exciting and not boring, at least if you don’t fight with the same boss 50 times in a row.
There are 18 bosses in total, and each one has its own style, abilities, and flavor. However, most of them are crabs, shrimp, or other crustaceans. But that doesn't make them any less interesting!
In this article, you will find the full Another Crab's Treasure bosses list, as well as the locations of where to find them. The list is created in the order you encounter the bosses.
Quick List of Bosses
Here is a quick list of all bosses in Another Crab's Treasure (mandatory and optional), ranked in order you can meet them in the game.
| Boss Name | Boss Location | Optional or Mandatory |
| Royal Shellsplitter | The Shallows | Optional |
| Nephro, Captain of the Guard | The Shallows | Mandatory |
| Magista, Tyrant of Slacktide | Slacktide | Mandatory |
| Pagurus, the Ravenous | The Sands Between | Mandatory |
| Diseased Lichenthrope | Expired Grove | Mandatory |
| Curled Carbonara Connesseur | Expired Grove | Optional |
| Heikea, Intimidation Crab | Expired Grove | Mandatory |
| Grovekeeper Topoda | Expired Grove | Optional |
| The Consortium | Flotsam Vale | Optional |
| Scuttling Sludge Steamroller | Flotsam Vale | Optional |
| Ceviche Sisters | Flotsam Vale | Mandatory |
| Voltai, the Accumulator | Flotsam Vale | Mandatory |
| Roland, Venture Crabitalist | The Mouth of the Drain | Mandatory |
| Petroch, the False Moon | The Unfathom | Mandatory |
| Inkerton, Crab Hunter | The Unfathom | Mandatory |
| Camtscha, the Bleached King | The Old Ocean | Mandatory |
| Praya Dubia, the Ocean’s Agony | The Old Ocean | Mandatory |
| Firth, the Crab Who Stole the Whorl | Trash Island | Mandatory |
1. Royal Shellsplitter
Royal Shellsplitter is an optional early-game boss in Another Crab's Treasure. You will find him at the beginning of the game, in The Shallows.
You can try to fight him before you get the shell, but the boss will deal huge damage to you. So we recommend getting a first shell first.
After you defeat the Royal Shellsplitter, you'll get 750 Microplastics and a Clothesclaw worth 1,000 Microplastics as your reward.
2. Nephro, Captain of the Guard
Nephro, Captain of the Guard, is the first boss in Another Crab's Treasure which in mandatory to kill. This boss is not very hard, so it doesn't take too much time to beat him.
The boss is located in the The Shallows, next to the castle. After defeating the boss, you will get 750 Microplastics, and unlock the ability to wear the shells.
3. Magista, Tyrant of Slacktide
Magista, Tyrant of Slacktide is the second main story boss, which you must defeat. She is located in her room, in the Fort Slacktide. You will find her polluted version after you come back to the Slacktide.
Once you defeat the Magista, you will get 2,500 Microplastics and your first Adaptation: Royal Wave.
4. Pagurus, the Ravenous
Pagurus is a large crab with a fork and a knife, whom you must defeat according to the main story quest. You can escape the battle with the boss any time you want, but when you return to his spot, he will spawn again with full health.
Pagurus, The Ravenous is located at the entrance of The Sands Between locations. After you beat him, you will get 20,000 Microplastic, lots of Crystals, and the "Another Crab" item.
5. Diseased Lichenthrope
Diseased Lichenthrope is another mandatory boss in Another Crab's Treasure, which is not typical, and has 2 forms during the battle. This boss will become much stronger once he loses 50% of his health.
This boss is located at the entrance of the Expired Grove. As a reward for defeating Diseased Lichenthrope, you will get 3,000 Microplastic, some Crystals, and a "Chum".
6. Curdled Carbonara Connoisseur
Heikea, Intimidation Crab is one of the hardest bosses in Another Crab's Treasure. He is a mandatory boss and is located at the Village Gates in the Expired Grove.
The fight may be rather hard, as he becomes stronger once you drop his health lover 50%. As a reward for the fight, you will get 7,500 microplastic, some Umami Crystals, and a Stainless Relic.