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 Members Quantity Rarity GE price High alch value
Grimy ranarr.png: Rock Crab drops Grimy ranarr with rarity Rare in quantity 1Grimy ranarr (m)P2P icon.png1Rare1,9010
Grimy avantoe.png: Rock Crab drops Grimy avantoe with rarity Rare in quantity 1Grimy avantoe (m)P2P icon.png1Rare8470
Tarromin seed.png: Rock Crab drops Tarromin seed with rarity Rare in quantity 1Tarromin seed (m)P2P icon.png1Rare514
Ranarr seed.png: Rock Crab drops Ranarr seed with rarity Rare in quantity 1Ranarr seed (m)P2P icon.png1Rare1,35711
Irit seed.png: Rock Crab drops Irit seed with rarity Very rare in quantity 1Irit seed (m)P2P icon.png1Very rare82838

Weapons[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Small spiky bronze salvage.png: Rock Crab drops Small spiky bronze salvage with rarity Common in quantity 1Small spiky bronze salvageF2P icon.png1Common7340
Small spiky iron salvage.png: Rock Crab drops Small spiky iron salvage with rarity Common in quantity 1Small spiky iron salvageF2P icon.png1Common223130
Tiny bladed bronze salvage.png: Rock Crab drops Tiny bladed bronze salvage with rarity Uncommon in quantity 1Tiny bladed bronze salvageF2P icon.png1Uncommon3620
Iron javelin.png: Rock Crab drops Iron javelin with rarity Uncommon in quantity unknownIron javelinF2P icon.pngUnknownUncommon244

Runes and Talisman[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Fire rune.png: Rock Crab drops Fire rune with rarity Common in quantity 7Fire runeF2P icon.png7Common58821
Nature rune.png: Rock Crab drops Nature rune with rarity Uncommon in quantity 4Nature runeF2P icon.png4Uncommon1,704296
Chaos rune.png: Rock Crab drops Chaos rune with rarity Rare in quantity 1Chaos runeF2P icon.png1Rare10428
Cosmic talisman.png: Rock Crab drops Cosmic talisman with rarity Rare in quantity 1Cosmic talisman (m)P2P icon.png1Rare3812

Others[edit | edit source]

Item Members Quantity Rarity GE price High alch value
Coins_250.png: Rock Crab drops Coins with rarity Common in quantity 4-498CoinsF2P icon.png4–498Common4-4984-498
Oyster.png: Rock Crab drops Oyster with rarity Common in quantity 1-2OysterF2P icon.png1–2Common3,453-6,906120-240
Seaweed.png: Rock Crab drops Seaweed with rarity Common in quantity 1-5 (noted)Seaweed (m)P2P icon.png1–5 (noted)Common24-1201-5
Edible seaweed.png: Rock Crab drops Edible seaweed with rarity Rare in quantity 2Edible seaweed (m)P2P icon.png2Rare1,7602
Oyster pearl.png: Rock Crab drops Oyster pearl with rarity Common in quantity 1Oyster pearlF2P icon.png1Common15067
Empty oyster.png: Rock Crab drops Empty oyster with rarity Common in quantity 1Empty oysterF2P icon.png1Common3High Level Alchemy icon.png3
Rock crab carcass.png: Rock Crab drops Rock crab carcass with rarity Common in quantity 1Rock crab carcass (m)P2P icon.png1Common[1]0High Level Alchemy icon.png0
Spinach roll.png: Rock Crab drops Spinach roll with rarity Uncommon in quantity 1Spinach rollF2P icon.png1Uncommon0High Level Alchemy icon.png0
Knife.png: Rock Crab drops Knife with rarity Uncommon in quantity 1KnifeF2P icon.png1Uncommon12315
Iron stone spirit.png: Rock Crab drops Iron stone spirit with rarity Uncommon in quantity 1Iron stone spiritF2P icon.png1Uncommon37Not alchemisable
Coal stone spirit.png: Rock Crab drops Coal stone spirit with rarity Uncommon in quantity 2Coal stone spiritF2P icon.png2Uncommon52Not alchemisable
Copper stone spirit.png: Rock Crab drops Copper stone spirit with rarity Uncommon in quantity 3Copper stone spiritF2P icon.png3Uncommon120Not alchemisable
Tin stone spirit.png: Rock Crab drops Tin stone spirit with rarity Uncommon in quantity 3Tin stone spiritF2P icon.png3Uncommon123Not alchemisable
Fishing bait.png: Rock Crab drops Fishing bait with rarity Uncommon in quantity 1-10Fishing baitF2P icon.png1–10Uncommon5-501-10
Opal bolt tips.png: Rock Crab drops Opal bolt tips with rarity Uncommon in quantity 5Opal bolt tipsF2P icon.png5Uncommon3020
Jade bolt tips.png: Rock Crab drops Jade bolt tips with rarity Rare in quantity 1Jade bolt tipsF2P icon.png1Rare106
Limpwurt root.png: Rock Crab drops Limpwurt root with rarity Rare in quantity 1Limpwurt rootF2P icon.png1Rare1,2124
Sealed clue scroll (easy).png: Rock Crab drops Sealed clue scroll (easy) with rarity Rare in quantity 1Sealed clue scroll (easy) (m)P2P icon.png1RareNot soldNot alchemisable
Spirit sapphire.png: Rock Crab drops Spirit sapphire with rarity 5/2000 in quantity 1Spirit sapphire (m)P2P icon.png15/2000Not soldNot alchemisable
Spirit emerald.png: Rock Crab drops Spirit emerald with rarity 3/2000 in quantity 1Spirit emerald (m)P2P icon.png13/2000Not soldNot alchemisable
Spirit ruby.png: Rock Crab drops Spirit ruby with rarity 2/2000 in quantity 1Spirit ruby (m)P2P icon.png12/2000Not soldNot alchemisable
Casket.png: Rock Crab drops Casket with rarity Rare in quantity 1Casket (m)P2P icon.png1Rare2,62430
Starved ancient effigy.png: Rock Crab drops Starved ancient effigy with rarity Very rare in quantity 1Starved ancient effigy (m)P2P icon.png1Very rareNot soldNot alchemisable
  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 Members Quantity Rarity GE price High alch value
Key token.png: Rock Crab drops Key token with rarity Rare in quantity 1Key tokenF2P icon.png1RareNot soldNot alchemisable
Mimic kill token.png: Rock Crab drops Mimic kill token with rarity Very rare in quantity 1Mimic kill token (m)P2P icon.png1Very rare8,101Not alchemisable

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]