OSRS Rock Crabs Guide

Rock Crabs are a type of low level monster in Oldschool Runescape. They are predominately used for low to mid level combat training. Although, can also be killed at higher levels too due to their afk-ability. Players like to train on them due to their high hit points and low offensive and defensive stats. They are also aggressive monsters so will attack you for up to 10 minutes, meaning you can leave auto-retaliate on to do the work.

The Rock Crab is a close relative to the Sand Crab and Ammonite Crab. However, the Rock Crabs is the weakest of the three. In this OSRS Rock Crabs guide, we will take look at some of the most efficient strategies to kill this monster.

Where to kill Rock Crabs in OSRS?

  • Northern Rellekka
  • Waterbirth Island
  • Waterbirth Island Dungeon
  • Brine Rat Cavern
  • West of Mount Quidamortem

The most popular location for killing rock crabs is in the northern part of Rellekka. As it has the most spawns (34) and is easily accessible new and low level players.

osrss rock crabs location
Rock Crabs in Rellekka

Rock Crabs Gear Setup

Finding the most optimal gear to use when killing Rock Crabs in OSRS is important. Helping to increase your kills per hour and reduce supply costs. Both Melee and Ranged Combat is viable here. Below you can see a range of melee and ranged example setups depending on your budget.

Melee Gear Setups

Max Melee

max melee rapier setup for rock crabs osrs
Example Max Setup

Mid-tier Melee

mid-tier melee gear setup for rock crabs in osrs
Example Mid-Tier Setup

Budget Melee

budget melee gear setup for killing rock crabs osrs
Example Budget Setup

Ranged Gear Setups

Max Ranged

max ranged gear for rock crabs in osrs
Example Max Setup

Mid-tier Ranged

mid-tier ranged gear for rock crabs in osrs
Example Mid-Tier Setup

Budget Ranged

budget range gear for rock crabs in osrs
Example Budget Setup

Rock Crabs Guide FAQ

Below are some frequently asked questions by players reading this strategy guide and looking to kill Rock Crabs for the first time.

How much XP do Rock Crabs give?

Combat experience varies greatly depending on the type of gear you are using and your current levels. When starting out you can expect anything from around 10,000 experience per hour in a chosen combat skill. Scaling up to 60,000 exp per hour at levels 90+. While it is not as efficient as methods such as the nightmare zone, it provides a relatively strong afk-able method, that is easily accessible with minimal requirements.

What is Rock Crabs weakness?

Rock Crabs are weak to water spells. However, they have essentially no defensive stats, so any type of combat is fine to use here. All three types of combat can be used when training combat at low levels with rock crabs.

How do you make the Crabs aggressive again?

When the rock crabs lose their aggression you will need to leave the area and re-enter. This is usually a distance of around 25 tiles you will have to run, just far enough so you cant see them. Then when you run back into the original area they will be aggressive again. The aggression for any monster in osrs lasts 10 minutes before you need to reset it.

How to AFK Rock Crabs?

  1. Find a location where multiple rock crabs spawn close together
  2. Turn on auto-retaliate
  3. Stand in the location to activate the rock crabs aggression
  4. Let your account auto-retaliate and kill the rock crabs
  5. after 10 minutes leave and re-enter the area to reset the aggression timer.

Are Rock Crabs better than sand crabs?

No, generally sand crabs are slightly better experience per hour due to their higher hit points level. Since they have 10 hp more than rock crabs you can stay in combat for longer, meaning less down-time if you are able to kill them fast. However, rock crabs are in a more accessible location, making it easier for low levels to find.