Rock Crab

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Not to be confused with Granite crab or Giant Rock Crab.

Rock Crabs are aggressive monsters that look like harmless rocks while they are disguised, but when unsuspecting passers walk by, they attack; however, once their target leaves the nearby area, they are no longer aggressive. It should be noted that, unlike most other enemies and NPCs, rock crabs are not marked with yellow dots on the minimap; this is probably due to the fact that the crabs' appearance camouflages them as rocks. Players can tell if a rock is a crab or not by looking at the rock's shape, Rock crabs are tall oval shaped, but normal rocks in their area are mostly in large clusters of shattered pieces. It should also be noted that, as with most aggressive monsters, rock crabs will stop attacking a player if they have not left the surrounding area in a considerable amount of time (roughly between ten and twenty-five minutes). To fix this, simply run out of the surrounding area (to be sure, run halfway to the entrance to the village of Rellekka or simply enter and exit the entrance to Keldagrim) and run back, at which point the rock crabs will once more be aggressive. As they are "dormant" until "awoken" by a passing player, rock crabs cannot be attacked until they are made aggressive once more.

In the quest Fur 'n' Seek, its carcass must be collected and cleaned for the Odd Old Man.

For low defence levelled players, it is recommended that if you are killing these creatures for long periods of time, you bring some food just in case as there are no nearby banks. It is also recommended that you bring a Camelot teleport/teletab to bank for more food as it is near the area of the rock crabs, or home teleport to Seers' Village. You could also use the bank in Keldagrim. The entrance is right between the statues to the east of the Rock Crabs.

Training[edit | edit source]

Rock Crabs used to be commonly trained upon due to their high exp rewards; and occasional valuable drops, low combat level and defence. Most places where Rock Crabs reside used to be heavily crowded. After the Evolution of Combat update, Rock Crabs became level 102, making low-level training very difficult. After the Legacy Combat update, their combat level was altered to 71.

Locations[edit | edit source]

  • North of Rellekka, west of the entrance to Keldagrim east and west of the town on the beach (may be overcrowded)
  • Waterbirth Island
  • Level 50 Wilderness.

Drops[edit | edit source]

Charms[edit | edit source]

No charmGold charm.pngGreen charm.pngCrimson charm.pngBlue charm.png
88%10%0.4–0.5%1%0.3%
Represents a 90% confidence range based on a sample of 37,405 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Herbs and seeds[edit | edit source]

Item Quantity Rarity GE price
Grimy ranarr.pngGrimy ranarr1Rare1,536
Grimy avantoe.pngGrimy avantoe1Rare756
Tarromin seed 5.pngTarromin seed1Rare34
Ranarr seed 5.pngRanarr seed1Rare847
Irit seed 5.pngIrit seed1Very rare649

Weapons[edit | edit source]

Item Quantity Rarity GE price
Small spiky bronze salvage.pngSmall spiky bronze salvage1Common67
Small spiky iron salvage.pngSmall spiky iron salvage1Common217
Tiny bladed bronze salvage.pngTiny bladed bronze salvage1Uncommon34
Iron javelin.pngIron javelinUnknownUncommon23

Runes and Talisman[edit | edit source]

Item Quantity Rarity GE price
Fire rune.pngFire rune7Common476
Nature rune.pngNature rune4Uncommon1,732
Chaos rune.pngChaos rune1Rare93
Cosmic talisman.pngCosmic talisman1Rare494

Others[edit | edit source]

Item Quantity Rarity GE price
Coins 250.pngCoins4–498Common4–498
Oyster.pngOyster1–2Common3,467–6,934
Seaweed.pngSeaweed1–5 (noted)Common15–75
Edible seaweed.pngEdible seaweed2Rare1,854
Oyster pearl.pngOyster pearl1Common166
Empty oyster.pngEmpty oyster1CommonNot sold
Rock crab carcass.pngRock crab carcass1Common[1]Not sold
Spinach roll.pngSpinach roll1UncommonNot sold
Knife.pngKnife1Uncommon163
Iron stone spirit.pngIron stone spirit1Uncommon60
Coal stone spirit.pngCoal stone spirit2Uncommon204
Copper stone spirit.pngCopper stone spirit3Uncommon63
Tin stone spirit.pngTin stone spirit3Uncommon60
Fishing bait.pngFishing bait1–10Uncommon5–50
Opal bolt tips 5.pngOpal bolt tips5Uncommon85
Jade bolt tips 5.pngJade bolt tips1Rare22
Limpwurt root.pngLimpwurt root1Rare1,167
Sealed clue scroll (easy).pngSealed clue scroll (easy)1RareNot sold
Spirit sapphire.pngSpirit sapphire15/2000Not sold
Spirit emerald.pngSpirit emerald13/2000Not sold
Spirit ruby.pngSpirit ruby12/2000Not sold
Casket.pngCasket1Rare2,705
Starved ancient effigy.pngStarved ancient effigy1Very rareNot sold
  1. ^ Only during Fur 'n' Seek.

Universal drops[edit | edit source]

Universal drops are dropped by nearly every monster outside of Daemonheim.
These items are dropped alongside main drops.
Item Quantity Rarity GE price
Key token.pngKey token1RareNot sold
Mimic kill token.pngMimic kill token1Very rare5,105

Classification[edit | edit source]

These animals are most likely, as the name suggests, a form of crab, noting that the rock crabs always walk sideways (and attack by smashing their sides into the player). It is possible that they may belong to a different animal phylum, such as insects, and only look like crabs, although this is not very likely. The animals are always spotted near water; while the graphics of RuneScape do not show them immersing themselves in water, it can be safely assumed that they would hypothetically do so. In the quest Fur n' Seek, the rock crab's carcass that is collected by the player consists of only a shell and other, not easily visible remnants.

Trivia[edit | edit source]

  • The examine for rock crabs is: "No-one likes crabs..." This could be a reference to grumpy people, as they are sometimes called "crabs".
  • The Fremennik used to eat them, as mentioned in the lore Twice Burnt, although players cannot cook them.
  • If a rock crab is killed in a small ditch a glitch will happen where the drop will be floating.

See also[edit | edit source]

Facts about "Rock Crab"
All Combat experience232.5 +
All Combat level71 +
All Is members onlytrue +
All Release dateNovember 2, 2004 +
Combat experience232.5 +
Combat level71 +
Drop JSON{ "name": "Grimy ranarr", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Grimy avantoe", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Tarromin seed", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Ranarr seed", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Irit seed", "quantity": [1,1], "rarity": "Very rare" } +, { "name": "Small spiky bronze salvage", "quantity": [1,1], "rarity": "Common" } +, { "name": "Small spiky iron salvage", "quantity": [1,1], "rarity": "Common" } +, { "name": "Tiny bladed bronze salvage", "quantity": [1,1], "rarity": "Uncommon" } +, { "name": "Iron javelin", "quantity": ['?','?'], "rarity": "Uncommon" } +, { "name": "Fire rune", "quantity": [7,7], "rarity": "Common" } +, { "name": "Nature rune", "quantity": [4,4], "rarity": "Uncommon" } +, { "name": "Chaos rune", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Cosmic talisman", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Coins", "quantity": [4,498], "rarity": "Common", "gemw": false } +, { "name": "Oyster", "quantity": [1,2], "rarity": "Common" } +, { "name": "Seaweed", "quantity": [1,5], "rarity": "Common" } +, { "name": "Edible seaweed", "quantity": [2,2], "rarity": "Rare" } +, { "name": "Oyster pearl", "quantity": [1,1], "rarity": "Common" } +, { "name": "Empty oyster", "quantity": [1,1], "rarity": "Common", "gemw": false } +, { "name": "Rock crab carcass", "quantity": [1,1], "rarity": "Common", "gemw": false } +, { "name": "Spinach roll", "quantity": [1,1], "rarity": "Uncommon", "gemw": false } +, { "name": "Knife", "quantity": [1,1], "rarity": "Uncommon" } +, { "name": "Iron stone spirit", "quantity": [1,1], "rarity": "Uncommon" } +, { "name": "Coal stone spirit", "quantity": [2,2], "rarity": "Uncommon" } +, { "name": "Copper stone spirit", "quantity": [3,3], "rarity": "Uncommon" } +, { "name": "Tin stone spirit", "quantity": [3,3], "rarity": "Uncommon" } +, { "name": "Fishing bait", "quantity": [1,10], "rarity": "Uncommon" } +, { "name": "Opal bolt tips", "quantity": [5,5], "rarity": "Uncommon" } +, { "name": "Jade bolt tips", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Limpwurt root", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Sealed clue scroll (easy)", "quantity": [1,1], "rarity": "Rare", "gemw": false } +, { "name": "Spirit sapphire", "quantity": [1,1], "rarity": "5/2000", "gemw": false } +, { "name": "Spirit emerald", "quantity": [1,1], "rarity": "3/2000", "gemw": false } +, { "name": "Spirit ruby", "quantity": [1,1], "rarity": "2/2000", "gemw": false } +, { "name": "Casket", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Starved ancient effigy", "quantity": [1,1], "rarity": "Very rare", "gemw": false } +, { "name": "Key token", "quantity": [1,1], "rarity": "Rare", "gemw": false } + and { "name": "Mimic kill token", "quantity": [1,1], "rarity": "Very rare" } +
Drops itemGrimy ranarr +, Grimy avantoe +, Tarromin seed +, Ranarr seed +, Irit seed +, Small spiky bronze salvage +, Small spiky iron salvage +, Tiny bladed bronze salvage +, Iron javelin +, Fire rune +, Nature rune +, Chaos rune +, Cosmic talisman +, Coins +, Oyster +, Seaweed +, Edible seaweed +, Oyster pearl +, Empty oyster +, Rock crab carcass +, Spinach roll +, Knife +, Iron stone spirit +, Coal stone spirit +, Copper stone spirit +, Tin stone spirit +, Fishing bait +, Opal bolt tips +, Jade bolt tips +, Limpwurt root +, Sealed clue scroll (easy) +, Spirit sapphire +, Spirit emerald +, Spirit ruby +, Casket +, Starved ancient effigy +, Key token + and Mimic kill token +
Drops item variantSealed clue scroll (easy) +
Is members onlytrue +
Location restrictionsurface +
Monster JSON{"release_date":"2 Novemb
{"release_date":"2 November 2004","max_spec":0,"immune_to_drain":false,"aff_ranged":45,"acc_ranged":0,"acc_magic":0,"immune_to_deflect":false,"max_melee":204,"acc_melee":875,"max_ranged":0,"armour":875,"name":"Rock Crab","immune_to_stun":false,"aff_melee":55,"immune_to_poison":false,"aff_magic":65,"examine":"No one likes crabs...","aggressive":true,"release_update_post":"The Fremennik Trials","aff_weakness":90,"style":"[[File:Attack-icon.png¦25px¦link=Melee]]","lifepoints":2550,"max_magic":0,"members":"Yes","weakness":"[[File:Water weakness icon.png¦25px¦link=Water spells]]","level":71,"poisonous":false,"experience":232.5}
34;:false,"experience":232.5} +
NPC attack styleFile:Attack-icon.png +
NPC attack style textmelee +
NPC life points2,550 +
Release dateNovember 2, 2004 +
WeaknessFile:Water weakness icon.png +
Weakness by classmagic +
Weakness textwater +