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Bogswallow In-game icon.
Icon for the Bogswallow, from Pikmin 4's Piklopedia.
Appears in Pikmin 4
Scientific name Gastropoidulus oculii
Family Polyocular slug
Areas Primordial Thicket
Caves The Mud Pit
Dandori Challenge stages None
Dandori Battle stages None
Attacks Inhaling and eating Pikmin

The Bogswallow (ヌマススリ?, lit.: "Swamp Sipper") is an enemy in Pikmin 4. It hides imperceptibly within pits of mud, emerging when prey is nearby to inhale them. Oatchi is too heavy to be sucked in, and the player may be swallowed if they get too close.

It is primarily encountered in Pikmin 4's final area, the Primordial Thicket, as well as The Mud Pit dungeon.


Weight Max.
Seeds Value Health
7 14 10 Icon that represents Sparklium on the wiki, based on the icon found in Pikmin 4. × 10 1000


The following article or section is in need of assistance from someone who plays Pikmin 4.
Particularly: Describe its behavior when it sees Pikmin, when it attacks, when it shakes, when it loses interest, etc.

The Bogswallow hides under the mud until a captain, Oatchi, or the Pikmin comes close to the mud puddle or goes into the mud. It then comes out of the ground and starts vacuuming Pikmin. Once it has vacuumed a number of Pikmin, or if it vacuums for too long, it swallows whatever Pikmin it managed to vacuum and begins vacuuming again, or hides back under the mud if the Pikmin are out of range. If the Pikmin are too far out of range to begin with, they will just hide back under the mud.


The Bogswallow's colors consist of a mix of orange and yellow, and brown. It has a large mouth with puckered red lips, similar to the Cannon Beetle Larvae. Its body appears to be segmented, like the Emperor Bulblax. Its fins are akin to the Pricklepuff. Behind its mouth are six green eyes, and when killed, it is shown to have a spiked tail.


To do: List all places the enemy can be found in.
Care to do so?


The following article or section contains guides.
The strategies shown are just suggestions.

The following article or section is in need of assistance from someone who plays Pikmin 4.
Particularly: Add a guide on how to beat it.

Charging a large amount of Winged Pikmin is usually the easiest and safest way to kill a Bogswallow. You can also throw a bomb rock at its mouth if it starts to vacuum up Pikmin, causing it to swallow the bomb and die instantly. However, the best way to deal with a Bogswallow is to use Ice Pikmin to freeze the muddy lake they reside. This makes them to be unable to come out of the mud and the ones that do will be frozen, making it easy to kill them.

Another good strategy is bait the creature with a single Purple Pikmin, as they are immune to its vacuuming effects. While it's attempting to suck it up, the player can toss a bomb rock into its mouth to instantly kill it.


Dalmo's Notes[edit]

It pops up out of the mud, often with no warning, to say hello. With a body like a hose and a big round mouth, it sates its appetite by feeding on the mud itself! Its six bright eyes mean it’s sure to see the fondness we have for it six times better! I hope it eats up all that unending affection!

Olimar's Notes[edit]

This species prefers to inhabit cloudy, stagnant water like that in swamps, and it spends most of its life buried in the mud and hiding. Using its six eyelike sensory organs, it can detect minute movements in the water and vibrations on nearby land. It will then forcefully leap out of the water and suck up its prey to feed. With its entirely cartilaginous skeleton and somewhat primitive features— like its round, chinless mouth— it appears to be some sort of primeval creature.

Louie's Notes[edit]

Leave it out overnight to drain the mud from the carcass. When ready to eat, cut into rings, then grill over high heat. The more you chew it, the more flavorful it becomes.


See more: Polyocular slug family#Naming.
  • Common name: Bogswallow. A combination of "bog", a type of muddy swamp, and "swallow", to describe how it shoots out mud from its mouth.
  • Japanese nickname: ヌマススリ?, lit.: "Swamp Sipper". "Susuri" comes from すすり込む? (lit.: "to slurp noisily").
  • Japanese name: アゴナシムツメウナゴ?, lit.: "Jawless Six-eyed Eel". "Jawless eel" is another name for the lamprey, the creature it's based off of. ウナゴ? is a portmanteau of ? and 穴子?, both words for "eel", also used in the Japanese name of the Sandbelching Meerslug.
  • Scientific name: Gastropoidulus oculii. Oculii may refer to its six eyes.
  • Internal names: NUMASUTORI. It is a combination of ? (lit.: "swamp") and 吸い取る? (lit.: "to suck up").
  • Prerelease: None.

Names in other languages[edit]

The following article or section is in need of assistance from someone who plays Pikmin 4.
Particularly: Fill in the names in other languages, for the main languages at least.

Language Name Meaning Notes
Flag of Japan Japanese ヌマススリ?
Numa Susuri
Swamp Sipper "Susuri" comes from すすり込む? (lit.: "to slurp noisily")
Flag of the Netherlands Dutch Zompzwelger
Flag of France French Marésangsue From "marécage" (swamp) and "sangsue" (leech)
Flag of Germany German Sumpfschlürfer Swampslurper
Flag of Brazil Portuguese (NoA) Brejofago from brejo (swamp) and fago (phagus)
Flag of Spain Spanish Engullidor Pantanoso Swampy Eater


This article or section is in need of more images. Particularly:
images of wild Bogswallows.
You can help Pikipedia by uploading some images.

See also[edit]