Ammonite Crab

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Ammonite Crabs can be found on the most coastal areas and the most northern beaches of Fossil Island. They cannot be attacked by dwarf multicannons. They are popular among players for training.

Training Combat[edit | edit source]

Ammonite crabs are one of the creatures that are recommended as training monsters for members. They are used by members to train combat as they have high hit points and they have low defence and attack, meaning that the player takes little to no damage and can afk train on them. This involves running to a location where 2 or more crabs are spawned which ensures you will never leave combat.

Ammonite crabs will become unaggressive after 10 minutes of combat. The player will have to reset the timer by walking out of the area a small distance.

Drops[edit | edit source]

Drop rates estimated based on 1,170,000 kills from the Drop Rate Project, unless otherwise cited.

Weapons[edit | edit source]

Item Quantity Rarity Price High Alch
Iron pickaxe.png: Ammonite Crab drops Iron pickaxe with rarity 5/128 in quantity 1Iron pickaxe15/1282684

Fossilised currency[edit | edit source]

Item Quantity Rarity Price High Alch
Numulite.png: Ammonite Crab drops Numulite with rarity 29/128 in quantity 4Numulite429/12892120
Numulite.png: Ammonite Crab drops Numulite with rarity 8/128 in quantity 2Numulite28/1284660
Numulite.png: Ammonite Crab drops Numulite with rarity 6/128 in quantity 8Numulite86/128184240

Materials[edit | edit source]

Item Quantity Rarity Price High Alch
Volcanic ash.png: Ammonite Crab drops Volcanic ash with rarity 6/128 in quantity 1Volcanic ash16/12867120
Iron ore.png: Ammonite Crab drops Iron ore with rarity 4/128 in quantity 1Iron ore14/1289110
Tin ore.png: Ammonite Crab drops Tin ore with rarity 4/128 in quantity 3Tin ore34/1281593
Opal bolt tips.png: Ammonite Crab drops Opal bolt tips with rarity 2/128 in quantity 5Opal bolt tips52/1285520
Coal.png: Ammonite Crab drops Coal with rarity 2/128 in quantity 2Coal22/12828854
Copper ore.png: Ammonite Crab drops Copper ore with rarity 2/128 in quantity 3Copper ore32/1281623

Oysters and Seaweed[edit | edit source]

Item Quantity Rarity Price High Alch
Oyster.png: Ammonite Crab drops Oyster with rarity 12/128 in quantity 2Oyster212/128140240
Oyster.png: Ammonite Crab drops Oyster with rarity 9/128 in quantity 1Oyster19/12870120
Seaweed.png: Ammonite Crab drops Seaweed with rarity 4/128 in quantity 1Seaweed14/128331
Seaweed.png: Ammonite Crab drops Seaweed with rarity 4/128 in quantity 2Seaweed24/128662
Empty oyster.png: Ammonite Crab drops Empty oyster with rarity 3/128 in quantity 1Empty oyster13/128Not sold3
Seaweed.png: Ammonite Crab drops Seaweed with rarity 2/128 in quantity 5Seaweed52/1281655
Edible seaweed.png: Ammonite Crab drops Edible seaweed with rarity 2/128 in quantity 2Edible seaweed22/1281122
Oyster pearl.png: Ammonite Crab drops Oyster pearl with rarity 1/128 in quantity 1Oyster pearl11/1287767
Empty oyster.png: Ammonite Crab drops Empty oyster with rarity 1/128 in quantity 3Empty oyster31/128Not sold9

Other[edit | edit source]

Item Quantity Rarity Price High Alch
This does not exist.NothingN/A16/128N/AN/A
Fishing bait.png: Ammonite Crab drops Fishing bait with rarity 2/128 in quantity 10Fishing bait102/1284010
Calcite.png: Ammonite Crab drops Calcite with rarity 1/128 in quantity 1Calcite11/128[d 1]2118
Pyrophosphite.png: Ammonite Crab drops Pyrophosphite with rarity 1/128 in quantity 1Pyrophosphite11/128[d 1]6418
Seaweed spore.png: Ammonite Crab drops Seaweed spore with rarity 1/128 in quantity 2Seaweed spore21/1281,39824
Casket.png: Ammonite Crab drops Casket with rarity 1/128 in quantity 1Casket11/12887130
  1. 1.0 1.1 Calcite and pyrophosphite are always dropped together.

Gem drop table[edit | edit source]

There is a 1/128 chance of rolling the gem drop table.

Item Quantity Rarity Price High Alch
This does not exist.NothingN/A1/256.47; Never[d 1]N/AN/A
Uncut sapphire.png: Ammonite Crab drops Uncut sapphire with rarity 1/512 in quantity 1Uncut sapphire11/512; 1/260[d 2]40915
Uncut emerald.png: Ammonite Crab drops Uncut emerald with rarity 1/1,024 in quantity 1Uncut emerald11/1,024; 1/520[d 2]65830
Uncut ruby.png: Ammonite Crab drops Uncut ruby with rarity 1/2,048 in quantity 1Uncut ruby11/2,048; 1/1,040[d 2]1,29660
Nature talisman.png: Ammonite Crab drops Nature talisman with rarity 1/5,461.33 in quantity 1Nature talisman11/5,461.33; 1/2,773.33[d 2]7392
Uncut diamond.png: Ammonite Crab drops Uncut diamond with rarity 1/8,192 in quantity 1Uncut diamond11/8,192; 1/4,160[d 2]2,529120
Loop half of key.png: Ammonite Crab drops Loop half of key with rarity 1/16,384 in quantity 1Loop half of key11/16,384; 1/8,320[d 2]9,83960
Tooth half of key.png: Ammonite Crab drops Tooth half of key with rarity 1/16,384 in quantity 1Tooth half of key11/16,384; 1/8,320[d 2]9,83260
Rune javelin.png: Ammonite Crab drops Rune javelin with rarity 1/16,384 in quantity 5Rune javelin51/16,384; 1/8,320[d 2]8851,200
Rune spear.png: Ammonite Crab drops Rune spear with rarity 1/262,144 in quantity 1Rune spear11/262,144; 1/15,600[d 2][d 3]11,89812,480
Shield left half.png: Ammonite Crab drops Shield left half with rarity 1/524,288 in quantity 1Shield left half11/524,288; 1/31,200[d 2][d 3]65,26966,000
Dragon spear.png: Ammonite Crab drops Dragon spear with rarity 1/699,050.67 in quantity 1Dragon spear11/699,050.67; 1/41,600[d 2][d 3]37,68737,440
  1. The "nothing" drop is removed while wearing a ring of wealth.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 The drop rate is increased while wearing a ring of wealth due to the "nothing" drop being removed.
  3. 3.0 3.1 3.2 Only dropped if Legends' Quest has been finished; if not, a talisman is dropped instead.

Tertiary[edit | edit source]

Item Quantity Rarity Price High Alch
Clue scroll (easy).png: Ammonite Crab drops Clue scroll (easy) with rarity 1/128 in quantity 1Clue scroll (easy)11/128Not sold12
Numulite.png: Ammonite Crab drops Numulite with rarity 27/175 in quantity 5-14Numulite5–1427/175115–322150–420
Unidentified small fossil.png: Ammonite Crab drops Unidentified small fossil with rarity 3/350 in quantity 1Unidentified small fossil13/350Not sold60
Unidentified medium fossil.png: Ammonite Crab drops Unidentified medium fossil with rarity 3/700 in quantity 1Unidentified medium fossil13/700Not sold120
Unidentified large fossil.png: Ammonite Crab drops Unidentified large fossil with rarity 3/875 in quantity 1Unidentified large fossil13/875Not sold180
Unidentified rare fossil.png: Ammonite Crab drops Unidentified rare fossil with rarity 3/3,500 in quantity 1Unidentified rare fossil13/3,500Not sold750

Changes[edit | edit source]

Date Changes
12 July 2018
(update | poll)
Ammonite Crabs now drop a maximum of 2 seaweed spores instead of 1.

Trivia[edit | edit source]