Main Pokédex page | Flavor text and images
General
Abilities
- Shell Armor
- No moves will critically hit this Pokémon.
- Skill Link
- This Pokémon always hits five times with 2-to-5-hit moves.
Dex Numbers
- Generation
RBY
Kanto- 90
Johto- 169
Hoenn- n/a
Sinnoh- n/a
Names
- Japanese
- シェルダー
- Romaji
- Sherudaa
Flavor
- Height
- 11.8" or 0.3 m
- Weight
- 8.8 lb or 4 kg
- Species
- Bivalve
- Color
- purple
- Cry
- mp3 here
Habitat
- Pawprint

Misc
- R/B/Y code
- 23 or 0x17
Breeding
- Gender
½ male; ½ female (code: 127 or 0x7f)- Breeding groups
- 9: Water 3
- Steps to hatch
- 5,120
- Compatible with
- 11 families; 21 total Pokémon
In the Wild
Evolution Chain
Comparison of this evolution chain
| Basic | Stage 1 |
|---|---|
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Stats
| Stat | Base | Max Stat | %ile | |
|---|---|---|---|---|
| L50 | L100 | |||
| HP | 137 | 264 | 2.2 | |
| Attack | 117 | 229 | 38.5 | |
| Defense | 152 | 299 | 82.8 | |
| Special Attack | 97 | 189 | 22.3 | |
| Special Defense | 77 | 149 | 1.2 | |
| Speed | 92 | 179 | 16.8 | |
| Average | - | - | 20.7 | |
Flavor
All versions' flavor text and sprites
It swims backward by opening and closing its two shells. Its large tongue is always kept hanging out.
Locations
Sorry, Pearl players! Only Diamond for the moment.
| Area | Section | Level | Method |
|---|---|---|---|
| Valley Windworks | 20 - 40 | 5%
|
|
| Route 205 | Floaroma City side | 20 - 40 | 5%
|
| Fuego Ironworks | 20 - 40 | 5%
|
Move List
Shellder's Attack is higher, so it will inflict more damage with physical (
) moves.
Shellder gets the STAB from
moves.
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Move | Type | Dmg | PP | Power | Acc.* | Pri. | Description | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -- | -- | -- | -- | -- | Tackle | ![]() |
|
35 | 35 | 95% | Inflicts regular damage. | ||
| -- | -- | -- | -- | 4 | Withdraw | ![]() |
|
40 | -- | 100% | Raises the user's Defense. | ||
| 9 | 9 | 8 | Supersonic | ![]() |
|
20 | -- | 55% | Confuses the target. | ||||
| 8 | 13 | Icicle Spear | ![]() |
|
30 | 10 | 100% | Hits 2-5 times in one turn. | |||||
| 16 | Protect | ![]() |
|
10 | -- | 0% | 3 | Goes first. Prevents any moves from hitting the user this turn. | |||||
| 18 | 15 | Supersonic | ![]() |
|
20 | -- | 55% | Confuses the target. | |||||
| 20 | Leer | ![]() |
|
30 | -- | 100% | Lowers the target's Defense. | ||||||
| 17 | 17 | 22 | Aurora Beam | ![]() |
|
20 | 65 | 100% | Has a 10% chance to lower the target's Attack. | ||||
| 23 | 25 | Clamp | ![]() |
|
10 | 35 | 75% | Both prevents the target from fleeing and inflicts damage for 2-5 turns. | |||||
| 28 | Ice Shard | ![]() |
|
30 | 40 | 100% | 1 | Goes first. Inflicts regular damage. | |||||
| 25 | 25 | 29 | Protect | ![]() |
|
10 | -- | 0% | 3 | Goes first. Prevents any moves from hitting the user this turn. | |||
| 30 | 32 | Aurora Beam | ![]() |
|
20 | 65 | 100% | Has a 10% chance to lower the target's Attack. | |||||
| 37 | Whirlpool | ![]() |
|
15 | 15 | 70% | Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns. | ||||||
| 39 | 33 | 33 | 36 | Leer | ![]() |
|
30 | -- | 100% | Lowers the target's Defense. | |||
| 40 | Iron Defense | ![]() |
|
15 | -- | 100% | Raises the user's Defense by two levels. | ||||||
| 41 | 41 | 43 | Clamp | ![]() |
|
10 | 35 | 75% | Both prevents the target from fleeing and inflicts damage for 2-5 turns. | ||||
| 44 | Brine | ![]() |
|
10 | 65 | 100% | Inflicts double damage against Pokemon that have less than half their max HP remaining. | ||||||
| 50 | 49 | 49 | 50 | 49 | Ice Beam | ![]() |
|
10 | 95 | 100% | Has a 10% chance to Freeze the target. | ||
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![]() | Egg moves (Pokémon can also inherit any TMs they are compatible with) | ||||||||
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Barrier | ![]() |
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30 | -- | 100% | Raises the user's Defense by two levels. | |||
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BubbleBeam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Speed. | |||
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Icicle Spear | ![]() |
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30 | 10 | 100% | Hits 2-5 times in one turn. | ||||
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Mud Shot | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed. | |||||
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Rapid Spin | ![]() |
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40 | 20 | 100% | Frees the user from binding moves, removes Leech Seed, and blows away Spikes. | |||
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Screech | ![]() |
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40 | -- | 85% | Lowers the target's Defense by two levels. | |||
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Take Down | ![]() |
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20 | 90 | 85% | User receives 1/4 the damage it inflicts in recoil. | |||
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![]() | Tutored moves | ||||||||
| |
Double-Edge | ![]() |
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15 | 120 | 100% | User receives 1/3 the damage inflicted in recoil. | |||||
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Ice Beam | ![]() |
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10 | 95 | 100% | Has a 10% chance to Freeze the target. | ||||||
| |
Mimic | ![]() |
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10 | -- | 100% | Copies the target's last used move. | |||||
| Swift | ![]() |
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20 | 60 | 100% | Never misses. | ||||||
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Swift | ![]() |
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20 | 60 | 100% | Never misses. | ||||||
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Explosion | ![]() |
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5 | 250 | 100% | Inflicts double damage and faints the user. | |||||
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Substitute | ![]() |
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10 | -- | 100% | Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks. | |||||
| Snore | ![]() |
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15 | 40 | 100% | Has a 30% chance to make the target Flinch. Only works if the user is Sleeping. | ||||||
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Snore | ![]() |
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15 | 40 | 100% | Has a 30% chance to make the target Flinch. Only works if the user is Sleeping. | ||||||
| Icy Wind | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed. | ||||||
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Icy Wind | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed. | ||||||
| Endure | ![]() |
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10 | -- | 100% | 3 | Goes first. Prevents the user's HP from lowering below 1 this turn. | |||||
| Swagger | ![]() |
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15 | -- | 90% | Raises the target's Attack by two levels and Confuses the target. | ||||||
| Sleep Talk | ![]() |
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10 | -- | 100% | Randomly uses one of the user's other three moves. Only works if the user is Sleeping. | ||||||
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Dive | ![]() |
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10 | 80 | 100% | User dives underwater, dodging all attacks, and hits next turn. | ||||||
|
Iron Defense | ![]() |
|
15 | -- | 100% | Raises the user's Defense by two levels. | ||||||
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![]() | Miscellaneous moves | ||||||||
| xd | Refresh | ![]() |
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20 | -- | 100% | Cleanses the user of a Burn, Paralysis, or Poison. | ||||||
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![]() | TMs and HMs | ||||||||
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45 | 45 | 45 | 45 | Attract | ![]() |
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15 | -- | 100% | Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user. | ||
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34 | Bide | ![]() |
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10 | varies | 100% | 1 | Goes first. User waits for 2-3 turns, then inflicts typeless damage equal to twice the HP it lost while waiting. | ||||
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14 | 14 | 14 | 14 | 14 | Blizzard | ![]() |
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5 | 120 | 70% | Has a 10% chance to Freeze the target. Chance to hit becomes 100% during Hail. | |
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55 | Brine | ![]() |
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10 | 65 | 100% | Inflicts double damage against Pokemon that have less than half their max HP remaining. | |||||
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11 | BubbleBeam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Speed. | |||||
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78 | Captivate | ![]() |
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20 | -- | 100% | Lowers the target's Special Attack by two levels if it is the opposite gender. | |||||
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03 | Curse | ![]() |
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10 | -- | 100% | Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense. | |||||
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H8 | H8 | Dive | ![]() |
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10 | 80 | 100% | User dives underwater, dodging all attacks, and hits next turn. | ||||
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32 | 32 | 32 | 32 | 32 | Double Team | ![]() |
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15 | -- | 100% | Raises the user's Evasion. | |
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10 | Double-Edge | ![]() |
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15 | 120 | 100% | User receives 1/3 the damage inflicted in recoil. | |||||
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20 | 58 | Endure | ![]() |
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10 | -- | 100% | 3 | Goes first. Prevents the user's HP from lowering below 1 this turn. | |||
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47 | 64 | Explosion | ![]() |
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5 | 250 | 100% | Inflicts double damage and faints the user. | ||||
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42 | 42 | 42 | Facade | ![]() |
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20 | 70 | 100% | Power doubles if user is Burned, Paralyzed, or Poisoned. | |||
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21 | 21 | 21 | 21 | Frustration | ![]() |
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20 | varies | 100% | Power increases as Happiness decreases, up to a maximum of 102. | ||
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07 | 07 | 07 | Hail | ![]() |
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10 | -- | 100% | Changes the weather to a hailstorm for five turns. | |||
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10 | 10 | 10 | 10 | Hidden Power | ![]() |
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15 | varies | 100% | Power and type depend upon user's IVs. Power can range from 30 to 70. | ||
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13 | 13 | 13 | 13 | Ice Beam | ![]() |
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10 | 95 | 100% | Has a 10% chance to Freeze the target. | ||
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16 | Icy Wind | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed. | |||||
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31 | Mimic | ![]() |
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10 | -- | 100% | Copies the target's last used move. | |||||
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83 | Natural Gift | ![]() |
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15 | varies | 100% | Power and type depend on the held berry. | |||||
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66 | Payback | ![]() |
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10 | 50 | 100% | Inflicts double damage if the user receives damage before using this move. | |||||
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17 | 17 | 17 | 17 | Protect | ![]() |
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10 | -- | 0% | 3 | Goes first. Prevents any moves from hitting the user this turn. | |
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20 | Rage | ![]() |
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20 | 20 | 100% | User can only use this move until it wins or faints, but becomes stronger each time it is hit. | |||||
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18 | 18 | 18 | 18 | Rain Dance | ![]() |
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5 | -- | 0% | Changes the weather to rain for five turns. | ||
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33 | Reflect | ![]() |
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20 | -- | 100% | Reduces damage from physical attacks by 50%. | |||||
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44 | 44 | 44 | 44 | 44 | Rest | ![]() |
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10 | -- | 100% | User Sleeps, completely healing itself. | |
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27 | 27 | 27 | 27 | Return | ![]() |
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20 | varies | 100% | Power increases with Happiness, up to a maximum of 102. | ||
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43 | 43 | 43 | Secret Power | ![]() |
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20 | 70 | 100% | Has a 30% chance to inflict a status effect which depends upon the terrain. | |||
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36 | Selfdestruct | ![]() |
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5 | 200 | 100% | Inflicts double damage and faints the user. | |||||
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35 | 82 | Sleep Talk | ![]() |
|
10 | -- | 100% | Randomly uses one of the user's other three moves. Only works if the user is Sleeping. | ||||
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13 | Snore | ![]() |
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15 | 40 | 100% | Has a 30% chance to make the target Flinch. Only works if the user is Sleeping. | |||||
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50 | 90 | Substitute | ![]() |
|
10 | -- | 100% | Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks. | ||||
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H3 | H3 | H3 | H3 | H3 | Surf | ![]() |
|
15 | 95 | 100% | Inflicts regular damage. | |
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34 | 87 | Swagger | ![]() |
|
15 | -- | 90% | Raises the target's Attack by two levels and Confuses the target. | ||||
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39 | 39 | Swift | ![]() |
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20 | 60 | 100% | Never misses. | ||||
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09 | Take Down | ![]() |
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20 | 90 | 85% | User receives 1/4 the damage it inflicts in recoil. | |||||
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30 | Teleport | ![]() |
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20 | -- | 100% | Immediately ends wild battles. | |||||
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06 | 06 | 06 | 06 | 06 | Toxic | ![]() |
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10 | -- | 85% | Badly Poisons the target, inflicting more damage every turn. | |
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49 | Tri Attack | ![]() |
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10 | 80 | 100% | Has a 20% chance to Burn, Freeze, or Paralyze the target. | |||||
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12 | Water Gun | ![]() |
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25 | 40 | 100% | Inflicts regular damage. | |||||
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03 | 03 | 03 | Water Pulse | ![]() |
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20 | 60 | 100% | Has a 20% chance to Confuse the target. | |||
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H6 | Whirlpool | ![]() |
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15 | 15 | 70% | Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns. | |||||
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