Red/Blue
It uses its whis kers to maintain its balance. It apparently slows down if they are cut off.
Yellow
Its hind feet are webbed. They act as flippers, so it can swim in rivers and hunt for prey.
Evolution Chain
Level 20
Pokédex & Training Data
Classification
Mouse Pokémon
Height
0.7 m (2'04")
Weight
18.5 kg (40.8 lbs)
Abilities
N/A in Gen I
EV Yield
+2 speed
Catch Rate
127
Base Friendship
70
Growth Rate
medium
Pokédex Numbers
Kanto (R/B/Y)
#020
Johto (G/S/C)
#018
Johto (HG/SS)
#018
Unova (B2/W2)
#060
Alola (S/M)
#016
Alola (US/UM)
#016
National
#020
Held Items
None in this generation.
Game Locations
Kanto Route 10 Area
Kanto Route 11 Area
Kanto Route 16 Area
Kanto Route 17 Area
Kanto Route 18 Area
Kanto Route 9 Area
Kanto Sea Route 21 Area
Pokemon Mansion 1f
Pokemon Mansion 2f
Pokemon Mansion 3f
Pokemon Mansion B1f
Learned Moves
Level Up Moves
Red/Blue
| Lvl | Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|---|
| 1 | Tackle | 40 | 100% | 35 | Inflicts regular damage with no additional effect. | |
| 1 | Tail Whip | — | 100% | 30 | Lowers the target’s Defense by one stage. | |
| 1 | Quick Attack | 40 | 100% | 30 | Inflicts regular damage with no additional effect. | |
| 7 | Quick Attack | 40 | 100% | 30 | Inflicts regular damage with no additional effect. | |
| 14 | Hyper Fang | 80 | 90% | 15 | Has a 10% chance to make the target flinch. | |
| 27 | Focus Energy | — | — | 30 | Increases the user’s chance to score a critical hit. | |
| 41 | Super Fang | — | 90% | 10 | Inflicts damage equal to half the target’s HP. |
Yellow
| Lvl | Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|---|
| 1 | Tackle | 40 | 100% | 35 | Inflicts regular damage with no additional effect. | |
| 1 | Tail Whip | — | 100% | 30 | Lowers the target’s Defense by one stage. | |
| 1 | Quick Attack | 40 | 100% | 30 | Inflicts regular damage with no additional effect. | |
| 7 | Quick Attack | 40 | 100% | 30 | Inflicts regular damage with no additional effect. | |
| 14 | Hyper Fang | 80 | 90% | 15 | Has a 10% chance to make the target flinch. | |
| 27 | Focus Energy | — | — | 30 | Increases the user’s chance to score a critical hit. | |
| 41 | Super Fang | — | 90% | 10 | Inflicts damage equal to half the target’s HP. |
TM/HM Moves
Red/BlueYellow
| Name | Class | Power | Acc. | PP | Effect |
|---|---|---|---|---|---|
| TM06 Toxic | — | 90% | 10 | Badly poisons the target, inflicting more damage every turn. | |
| TM08 Body Slam | 85 | 100% | 15 | Has a 30% chance to paralyze the target. | |
| 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. | |
| TM24 Thunderbolt | 90 | 100% | 15 | Has a 10% chance to paralyze the target. | |
| TM25 Thunder | 110 | 70% | 10 | Has a 30% chance to paralyze the target. | |
| TM28 Dig | 80 | 100% | 10 | User digs underground, dodging all attacks, and hits next turn. | |
| TM31 Mimic | — | — | 10 | Copies the target’s last used move. | |
| TM32 Double Team | — | — | 15 | Raises the user’s evasion by one stage. | |
| TM34 Bide | — | — | 10 | User waits for two turns, then hits back for twice the damage it took. | |
| TM39 Swift | 60 | — | 20 | Never misses. | |
| TM40 Skull Bash | 130 | 100% | 10 | Raises the user’s Defense by one stage. User charges for one turn before attacking. | |
| TM44 Rest | — | — | 5 | User sleeps for two turns, completely healing itself. | |
| 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
55
Attack
81
Defense
60
Sp. Atk
50
Sp. Def
70
Speed
97
Total
413
Type Defenses
(vs. Gen 6+ rules)