Catherby monodon

Monster

This copy was last processed on Aug 5, 2026. The copied wiki revision is dated Apr 28, 2026.

This article covers content only available during the June 2025 Sailing Beta.

This content was only found on the temporary beta worlds and was not released with the launch of Sailing.

Catherby monodon



Released		20 March 2025 (Update)
Members		Yes
Combat level		41
Size		3x3
Examine		Annoying fishermen is what I do best.
League region		N/A

Combat info

Max hit		4
Aggressive		? (edit)
Poisonous		? (edit)
Attack style		Ranged
Attack speed		5 ticks (3.0 seconds)

Combat stats


40	1	1	30	1	50

Aggressive stats


+0	+0	+0	+0	+0	+0

Melee defence


+0		+0		+50

Magic defence


+0			No elemental weakness

Ranged defence


+20		+20		+20

Immunities

Poison		0% resistance
Venom		0% resistance

Open in DPS calculator
Advanced data

Monster ID		beta15059
Link		MOID

Catherby monodon



Released								20 March 2025 (Update)
Combat level								41
Members								Yes
Location								? (edit)
League region								N/A
Options								Harvest
Examine								Annoying fishermen is what I do best.

Advanced data

NPC ID								beta15060
Link								MOID

Catherby monodons are monsters in the Sailing alpha, intended to be killed via naval combat as part of Bounty tasks (unavailable in the alpha) through which it will drop a specific item, similar to Hunter rumours.

Location

Location	Levels	Members	Spawns	Map	League region
Catherby Inlet	41		5	Show map	N/A

Drops

Drop rates are estimated based on 2,443 samples from the Drop Rate Project, unless otherwise cited.

100%

	Item	Quantity	Rarity	Price	High Alch
	Monodon bones	1	Always	Not sold	0

Resources

Item	Quantity	Rarity	Price	High Alch
Emerald	2–4 (noted)	~5/42	840–1,680	600–1,200
Giant seaweed	2–5 (noted)	~4/42	194–485	2–5
Sapphire	2–4 (noted)	~4/42	440–880	300–600
Seaweed	3–7 (noted)	~2/42	15–35	3–7

Seeds

There is a ~11/42 (26%) chance of rolling the uncommon seed drop table.

Item	Quantity	Rarity	Price	High Alch
Limpwurt seed	1	1/29.2	15	7
Strawberry seed	1	1/30.5	7	10
Marrentill seed	1	1/32	17	1
Jangerberry seed	1	1/43.5	5	36
Tarromin seed	1	1/47.1	12	1
Wildblood seed	1	1/48.2	81	8
Watermelon seed	1	1/63.5	234	33
Harralander seed	1	1/71.5	32	2
Snape grass seed	1	1/100	15,101	56
Ranarr seed	1	1/102.6	28,028	30
Whiteberry seed	1	1/117.7	6	79
Mushroom spore	1	1/138	106	51
Toadflax seed	1	1/148.2	979	6
Belladonna seed	1	1/222.3	108	106
Irit seed	1	1/222.3	72	3
Poison ivy seed	1	1/307.8	13	99
Avantoe seed	1	1/333.5	356	4
Cactus seed	1	1/333.5	48	59
Kwuarm seed	1	1/444.6	2,003	6
Potato cactus seed	1	1/500.2	9	84
Snapdragon seed	1	1/800.3	43,773	36
Cadantine seed	1	1/1,000.4	5,135	4
Lantadyme seed	1	1/1,333.8	113	5
Dwarf weed seed	1	1/2,000.7	690	3
Torstol seed	1	1/4,001.5	15,463	42

High level herbs

There is a ~8/42 (19%) chance to receive a high level herb.

Item	Quantity	Rarity	Price	High Alch
Grimy kwuarm	1	~20/315	1,814	12
Grimy cadantine	1	~16/315	2,076	13
Grimy dwarf weed	1	~12/315	1,343	14
Grimy lantadyme	1	~12/315	1,232	13

Herb drop table

There is a ~3/42 (7.1%) chance to roll once on the herb drop table, and a ~3/42 chance to roll twice.

Item	Quantity	Rarity	Price	High Alch
Grimy guam leaf	1	1.5 × 1/28	189	7
Grimy marrentill	1	1.5 × 1/37.3	185	8
Grimy tarromin	1	1.5 × 1/49.8	120	9
Grimy harralander	1	1.5 × 1/64	284	9
Grimy ranarr weed	1	1.5 × 1/81.5	5,262	18
Grimy irit leaf	1	1.5 × 1/112	1,258	10
Grimy avantoe	1	1.5 × 1/149.3	1,341	10
Grimy kwuarm	1	1.5 × 1/179.2	1,814	12
Grimy cadantine	1	1.5 × 1/224	2,076	13
Grimy lantadyme	1	1.5 × 1/298.7	1,232	13
Grimy dwarf weed	1	1.5 × 1/298.7	1,343	14

Gem drop table

There is a 2/42 chance of rolling the gem drop table.

Item	Quantity	Rarity	Price	High Alch
Nothing	N/A	1/42.08; Never^{[d 1]}	N/A	N/A
Uncut sapphire	1	1/84; 1/42.66^{[d 2]}	228	15
Uncut emerald	1	1/168; 1/85.31^{[d 2]}	473	30
Uncut ruby	1	1/336; 1/170.62^{[d 2]}	1,087	60
Nature talisman	1	1/896; 1/455^{[d 2]}	268	2
Uncut diamond	1	1/1,344; 1/682.5^{[d 2]}	2,439	120
Rune javelin	5	1/2,688; 1/1,365^{[d 2]}	675	1,200
Loop half of key	1	1/2,688; 1/1,365^{[d 2]}	9,756	60
Tooth half of key	1	1/2,688; 1/1,365^{[d 2]}	9,887	60
Rune spear	1	1/43,008; 1/2,559.37^{[d 2]}^{[d 3]}	11,599	12,480
Shield left half	1	1/86,016; 1/5,118.75^{[d 2]}^{[d 3]}	65,355	66,000
Dragon spear	1	1/114,688; 1/6,825^{[d 2]}^{[d 3]}	38,438	37,440

^ The "nothing" drop is removed while wearing a ring of wealth.
^ ^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.
^ ^3.0 ^3.1 ^3.2 Only dropped if Legends' Quest has been finished; if not, a talisman is dropped instead.

Tertiary

	Item	Quantity	Rarity	Price	High Alch
	Pristine monodon horn	1	Unknown	Not sold	0
	Broken monodon horn (Catherby)	1	Unknown	Not sold	0

Sailing pre-release content

Items

Resources	Larch logs Larch plank Cedar logs Cedar plank Shayzien pine logs Shayzien pine plank Balsa logs Dragon bar Cursed gold bar Cursed gold nails Baby umbral coral Baby elkhorn coral Baby pillar coral Premium fish offcuts Burnt blue crab meat Burnt red crab meat Red crab paste Blue crab paste Gracefish Gracefish scales Raw gracefish Burnt gracefish Talbora Raw talbora Burnt talbora Tailfin Raw tailfin Burnt tailfin Halibut tail Blue tuna fin Giant krill head
Monster drops	Raw seal meat Seal fur Monodon bones Whale bones Sea hawk feather Broken monodon horn Ogre monodon horn Pristine monodon horn Shark jaw Karamjan tiger shark fin Reef shark tooth Crandor shark fin Large reef shark fin Famished shark fin Great white shark fin Great white shark heart Sea monodon heart Sea monodon horn Pygmy kraken tentacles Baby kraken head Baby sea kraken blood Baby sea kraken tentacle Deep sea kraken heart Deep sea kraken tentacle
Sailing	Oak raft base Cursed gold keel parts Cursed gold cannonball Shoddy repair kit Cheap repair kit Basic repair kit Good repair kit Fine repair kit Great repair kit Excellent repair kit Supreme repair kit Colossal salvage Old colossal salvage Old haunted salvage Old sunken locket Sunken locket
Other	Portmaster's watch Anti-rust tonic Portable weather station (rusty) Larch blowpipe Cedar blowpipe Coral key Rotten ship Baby strykewyrm Placeholder marlin reward Placeholder shark reward Placeholder swordfish reward Crab pot Tortugan vessel Tortugan sacred vessel

Monsters

NPCs

Scenery

Other

Source

Content from the Old School RuneScape Wiki (operated by Weird Gloop), licensed under CC BY-NC-SA 3.0.

Source site	Old School RuneScape Wiki
Canonical source	Catherby monodon
Content license	CC BY-NC-SA 3.0
License status	declared
Picture	Catherby monodon · file details

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