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Segmented Crawbster

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Segmented Crawbster In-game icon.
The Piklopedia icon for the Segmented Crawbster in the Nintendo Switch version of Pikmin 2.
Appears in Pikmin 2
Scientific name Parastacoidea reptantia
Family Creep-crab
Areas None
Caves Cavern of Chaos
Challenge Mode stages None
2-Player Battle stages None
Attacks Crush Pikmin, cause boulders to fall

The Segmented Crawbster (ゴロムシ?, lit.: "Rolling Bug") is a boss in Pikmin 2. It is the boss of the Cavern of Chaos' final sublevel (10), which is located in the Wistful Wild. This is the only place where it can be found. This crab-like creature has one large arm, and an exceedingly smaller left arm. It also has a rather thick shell protecting it. This creature rolls after the active leader, occasionally crushing Pikmin with its hard shell. If it crashes into a wall, it can cause boulders to fall. It will then struggle to get back up in an upright position, and while doing so will expose its weak spot: its flashing underbelly. Eventually, it will then get back up and swing its large arm around back and forth two or so times, causing buds and flowers to wither, and continue its assault.


Weight Max.
Seeds Value Health Regen.
20 30 30[note 1] Poko icon.png × 15 3000 9 HP/s
  1. ^ This enemy cannot be delivered to Onions in-game. This information is obtained from the game files.


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

In order to defeat this creature, it must be lead into a wall while it is rolling. Its rolling is more focused on the active leader, not the Pikmin. There is a slight chance that eggs will drop along with the boulders; these may contain Mitites, sprays, or nectar, and they will usually continue to drop every time the Segmented Crawbster crashes into the walls. After the boulders have fallen, the leader needs to be on either the left or right side of the creature and must throw his Pikmin onto its underside. After enough time has passed, it will get up and swing its bulking arm, which can't kill Pikmin, but does knock off their flowers. Once defeated, the Segmented Crawbster will groan and squeal as it is underbelly explodes violently, spewing goo particles all over the immediate vicinity, before dropping the Silencer.

In terms of which Pikmin are the most effective for defeating the Crawbster, it is advisable to use a group of around 10-15 Purple Pikmin – they must have flowers so they do not lag behind and get crushed. Care must be taken if one is to use them, as if they have lost their flowers due to the arm attack, they will surely be crushed by the roll. However, if few/no Purples are flowers, flower or budded Red Pikmin can do the job, as they have average speed and the second strongest power in the game. A group of 15-25 Red Pikmin is a good number to attack the Crawbster with.

  • Using ultra-spicy spray is advisable since it makes the Pikmin very fast, making it easier to avoid the rolling, especially for Purple Pikmin. The spray effect lasts for about two assaults.
  • Ultra-bitter spray can also be used to delay the end of the Pikmin's attacking time.
  • The falling rocks land near the active leader, so leaving a leader outside the arena and switching to them whenever it hits a wall is a good tactic.
  • Another good way to avoid the falling rocks would be to zoom out the camera as far as it can go (with GCN R.png / Wiimote Dpad leftright.png), and change the view to top view mode (with GCN Z.png / Wiimote Dpad up.png) before the battle. This will give you an extensive view of where each rock will fall, making it easier to avoid them.
  • When attacking the Crawbster, be sure to throw Pikmin from the creature's left side (your right). This will minimize the amount of Pikmin struck by the Crawbster's bulking arm, and in turn, keep your Pikmin at flower level.

For a speedy completion, the player can dismiss 100 Pikmin near its backside right after it falls from the sky, and then get ready lure it into a wall, away from the Pikmin. Once it hits the wall, the Pikmin that were chasing after it should start attacking at a steady pace.[1]


Olimar's notes

This gigantic beast is wrapped in a hard shell. In an atypical evolution, the right front leg of this creature is hypertrophic, taking on the function of an arm, rather than a leg. Its asymmetric physical development is unique in the natural world. One unlucky explorer's incorrect conclusion that this creature adheres to a pattern of peaceful, quiet behavior led to an unfortunate incident. In fact, this beast exhibits intensely hostile, aggressive tendencies, aiming at prey and ramming them at full speed.

Louie's notes

Dessert meats are all the rage on Hocotate. When the planet's finest chefs hear about the kind of sorbets, pies, and parfaits you can make with the claw meat on this sweet beast, they'll clamor for every morsel we bring home!

Pikmin 2 Nintendo Player's Guide[edit]

Although the Segmented Crawbster is invincible when it's rolling, the beast will be vulnerable for a few seconds after it hits a wall and lands on its back. Steer it into the wall and be prepared to toss Pikmin at its belly after you dodge a few falling boulders.

Technical information[edit]

Pikmin 2 technical information (?)
Internal name dangomushi
Global properties (List)
ID Japanese comment Property Value
s000 friction(not used) Friction 0.5
s001 wallReflection Unknown (wall bounce speed multiplier?) 0.5
s002 faceDirAdjust Unknown 0.25
s003 accel Acceleration 0.1
s004 bounceFactor Unknown (bounce when it hits the ground?) 0.3
fp00 ライフ HP 3000
fp01 マップとの当り Unknown (related to slopes) 70
fp02 ダメージスケールXZ Horizontal damage scale 0.1
fp03 ダメージスケールY Vertical damage scale 0.1
fp04 ダメージフレーム Damage scale duration 0.35
fp05 質量 Unknown (weight?) 0.0001
fp06 速度 Move speed 50
fp08 回転速度率 Rotation acceleration 0.05
fp09 テリトリー Territory radius 150
fp10 ホーム範囲 "Home" radius 100
fp11 プライベート距離 "Private" radius 150
fp12 視界距離 Sight radius 500
fp13 視界角度 FOV 90
fp14 探索距離 Unknown (exploration radius?) 500
fp15 探索角度 Unknown (exploration angle?) 90
fp16 振り払い率 Successful shake rate 1
fp17 振り払い力 Shake knockback 200
fp18 振り払いダメージ Shake damage 1
fp19 振り払い範囲 Shake range 100
fp20 攻撃可能範囲 Unknown (shock attack max range?) 300
fp21 攻撃可能角度 Unknown (shock attack max angle?) 15
fp22 攻撃ヒット範囲 Unknown (attack hit range?) 100
fp23 攻撃ヒット角度 Unknown (attack hit angle?) 45
fp24 攻撃力 Attack damage 10
fp25 視界高 Unknown (height visibility?) 100
fp26 探索高 Unknown (exploration height?) 100
fp27 ライフの高さ HP wheel height 90
fp28 回転最大速度 Rotation speed 5
fp29 警戒時間 Unknown (warning time?) 15
fp30 警戒ライフ Unknown 30
fp31 ライフ回復率 Regeneration rate 0.0001
fp32 LOD半径 Off-camera radius 250
fp33 マップとのあたりポリゴンの選定 Collision processing radius 200
fp34 ピクミンとのあたり Pikmin damage radius 50
fp35 石化時間 Petrification duration 1
fp36 ヒップドロップダメージ Purple Pikmin drop damage 10
fp37 地震気絶確立 Purple Pikmin stun chance 0 (0%)
fp38 地震気絶時間 Purple Pikmin stun time 0
ip01 振り払い打撃A Shake mode 1 – hit count 6
ip02 振り払い張付1 Shake mode 1 – Pikmin requirement 5
ip03 振り払い打撃B Shake mode 2 – hit count 12
ip04 振り払い張付2 Shake mode 2 – Pikmin requirement 10
ip05 振り払い打撃C Shake mode 3 – hit count 17
ip06 振り払い張付3 Shake mode 3 – Pikmin requirement 20
ip07 振り払い打撃D Shake mode 4 – hit count 22
Specific properties
ID Japanese comment Property Value
fp01 ローリング移動速度 Rolling movement speed 200
fp02 ローリング回転速度率 Rolling rotation acceleration 0.03
fp03 ローリング回転最大速度 Unknown (rolling max speed?) 3

Other information[edit]


  • Common name: Segmented Crawbster. "Segmented" comes from the fact that its outer shell is made up of several segments that allow it to bend its body. "Crawbster" is a combination of "crawfish" and "lobster".
  • Japanese nickname: ゴロムシ?. ゴロ? is short for ゴロゴロ?, an onomatopeia for something heavy rolling, referring its ability to roll along the ground. ムシ? means "bug" or "insect".
  • Japanese name: オオダンゴロムシ?, lit.: "Giant Rolling Pillbug".
  • Scientific name: Parastacoidea reptantia. In it, reptantia is similar to the Latin reptare, which means "to crawl slowly", perhaps referencing how it non-rolling method of movement is to crawl quite slowly.
  • Internal names: Internally, this boss is called dangomushi, which in Japanese is だんごむし? (lit.: "Pillbug").
  • Prerelease: None.

Names in other languages[edit]

Language Name Meaning
Flag of Japan Japanese ゴロムシ?
Goro Mushi
Rolling Bug
Flag of France French Rampaille Segmenté From ramper (to creep); segmenté means "segmented".
Flag of Germany German Segmentierter Harkolyth
Flag of Italy Italian Granchietto segmentato Little Segmented Crab
Flag of Mexico Spanish (NoA) Langostrejo segmentado Portmanteau of "langosta" (lobster) and "cangrejo" (crab), and "segmentado" (segmented)



  • The Segmented Crawbster cannot be brought to use its rolling attack in the Piklopedia, for it only chases after leaders.
  • When it crashes into a wall, it may cause some embed glitches to occur.
  • When it falls down on the tiled floor in the sublevel where it is found, pieces of tile will fling from the impact; however, even in the Piklopedia, where no tiles are found, it will still show tiles flinging from its fall, as they are a part of its impact animation.
  • The Segmented Crawbster is the only regular boss to not be found in the Pikmin 2 Challenge Mode. It is also the only boss that Louie cannot be seen with.


  1. ^ YouTube video where the Segmented Crawbster is defeated in one cycle (at 15:04)