Boulder crab
Boulder crab is a level 75 free-to-play monster found in Havenhythe, with 17,550 life points. It is weak to water spells.
“No one likes crabs... especially really big ones!”
Level 75Free-to-playAggressiveAttacks with melee
Updated . Stats and drops from the RuneScape Wiki's monster and drop data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page. Item sprites © Jagex.
Combat stats
- Combat level
- 75
- Life points
- 17,550
- Combat XP per kill
- 877.5
- Max hit
- 600
- Armour
- 1,694
- Attack style
- Melee
- Weakness
- Water
- Aggressive
- Yes
- Poisonous
- No
Slayer
- Slayer level
- None needed
- Assigned by
- Not a Slayer task
Where
Havenhythe
Ironman notes
- Weak to water spells: bring that style for faster kills.
- Aggressive: it attacks on sight, which is handy for AFK kills once your gear outclasses it.
Drops (7)
| Item | Quantity | Rarity |
|---|---|---|
| Copper ore | 2 | Unknown |
| Empty oyster | 2 | Unknown |
| Limestone | 1 | Unknown |
| Raw lobster | 1 | Unknown |
| Raw sardine | 1 | Unknown |
| Tin ore | 1–2 | Unknown |
| Wendlewick seed | 1 | Unknown |
Most common first. “Best rate” and “#2/#3 rate” compare expected drops per kill with every other monster that drops the item.