Seeing as there is not bestiary entry yet and I was killing them anyway, I decided to post what I found here to help the community. This information was collected over about 34 hours of killing them, so it's pretty accurate for all common drops.

 

 

 

Name: 'Rum'-pumped crab

Race: Animal

Level: 91

Life Points: 850

Ratio: .93

Attack Type: Melee

 

Aggressive? Yes Retreats? No Quest? Yes Members? Yes Poisonous? No

 

Habitat: A clockwork syringe resource dungeon

 

Drops

Gold: 278-1767

100%: bones

Weapon: Rune claws, Rune javelin(5)

Armour:

Runes: Death rune(50), Soul rune(20)

Ammo:

Misc: Fishing potion(2)(4 sips)(noted), Gold ore(2)(noted), Lobster, Loop half of a key, Nature talisman, Raw lobster(3)(noted), Shield left half, Starved ancient effigy, Super attack(4)(1 sip), Super defense(4)(1 sip), Super strength(4)(1 sip), Tooth half of a key, Uncut dragonstone, [herb], [uncut gems]

Seeds: Cabbage(1-3), Evil turnip seed(1,3,4), Onion seed(1-3), Potato seed(1-4), Sweetcorn seed(1-2), Tomato seed(1-2), Torstol seed(1), Watermelon seed(1)

Charms: Blue charm(1), Crimson charm(1), Gold charm(1), Green charm(1)

 

Examine: 'Rum' burns deep inside its veins.

 

Notes: You must have 61 Slayer to harm this monster. This monster is permanently aggressive, it does not lose its aggressiveness after time like other monsters. The brackish blade dropped by this monster deals extra damage to it (+40%*). You must be wearing a diving apparatus and a fishbowl helmet to enter the dungeon. Weak to stab attacks. Summoning familiars are not allowed in this dungeon.

 

Drops blue charms in greatest proportion.

 

 

 

Ring of Wealth shined on these drops: death rune(50), soul rune(20), uncut dragonstone, nature talisman, rune javelin(5), shield left half, torstol seed(1) [uncut gems] and many of the coin drops.

 

*Calculated by recording max hit at normal strength and while super strength potting and comparing to the max hit calculator.

 

Credit: Vasuden

Welcome to the forums!

 

Sorry for the delay.

 

Thank you for this very detailed submission. I will get to work adding it to the site this weekend and you will be credited :)