Cloyster
Red/Blue

When attacked, it launches its horns in quick volleys. Its innards have never been seen.

Yellow

For protection, it uses its harder- than-diamonds shell. It also shoots spikes from the shell.

Evolution Chain

shellder
Shellder
water-stone water stone
cloyster
Cloyster

Pokédex Data

Classification Bivalve Pokémon
Height 1.5 m (4'11")
Weight 132.5 kg (292.1 lbs)
Abilities N/A in Gen I

Held Items

None in this generation.

Training

EV Yield +2 defense
Catch Rate 60
Base Friendship 70
Growth Rate slow

Learned Moves

Level Up Moves

Red/Blue
Lvl Name Class Power Acc. PP Effect
1 Supersonic
55% 20 Confuses the target.
1 Aurora Beam
65 100% 20 Has a 10% chance to lower the target's Attack by one stage.
1 Withdraw
40 Raises the user's Defense by one stage.
1 Clamp
35 85% 15 Prevents the target from fleeing and inflicts damage for 2-5 turns.
50 Spike Cannon
20 100% 15 Hits 2-5 times in one turn.
Yellow
Lvl Name Class Power Acc. PP Effect
1 Supersonic
55% 20 Confuses the target.
1 Aurora Beam
65 100% 20 Has a 10% chance to lower the target's Attack by one stage.
1 Withdraw
40 Raises the user's Defense by one stage.
1 Clamp
35 85% 15 Prevents the target from fleeing and inflicts damage for 2-5 turns.
50 Spike Cannon
20 100% 15 Hits 2-5 times in one turn.

TM/HM Moves

Red/BlueYellow
Name Class Power Acc. PP Effect
HM03 Surf
90 100% 15 Inflicts regular damage and can hit Dive users.
TM06 Toxic
90% 10 Badly poisons the target, inflicting more damage every turn.
TM09 Take Down
90 85% 20 User receives 1/4 the damage it inflicts in recoil.
TM10 Double Edge
120 100% 15 User receives 1/3 the damage inflicted in recoil.
TM11 Bubble Beam
65 100% 20 Has a 10% chance to lower the target's Speed by one stage.
TM12 Water Gun
40 100% 25 Inflicts regular damage with no additional effect.
TM13 Ice Beam
90 100% 10 Has a 10% chance to freeze the target.
TM14 Blizzard
110 70% 5 Has a 10% chance to freeze the target.
TM15 Hyper Beam
150 90% 5 User foregoes its next turn to recharge.
TM20 Rage
20 100% 20 If the user is hit after using this move, its Attack rises by one stage.
TM30 Teleport
20 Immediately ends wild battles. No effect otherwise.
TM31 Mimic
10 Copies the target's last used move.
TM32 Double Team
15 Raises the user's evasion by one stage.
TM33 Reflect
20 Reduces damage from physical attacks by half.
TM34 Bide
10 User waits for two turns, then hits back for twice the damage it took.
TM36 Self Destruct
200 100% 5 User faints.
TM39 Swift
60 20 Never misses.
TM44 Rest
5 User sleeps for two turns, completely healing itself.
TM47 Explosion
250 100% 5 User faints.
TM49 Tri Attack
80 100% 10 Has a 20% chance to burn, freeze, or paralyze the target.
TM50 Substitute
10 Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks.

Base Stats

Hp 50
Attack 95
Defense 180
Sp. Atk 85
Sp. Def 45
Speed 70
Total 525

Type Defenses

(vs. Gen 6+ rules)

0.5x
2x
2x
0.25x
2x
2x