Utility
Balanced
195Low
45Very Slow
DTier

Caterpie sits at the start of its evolution line — not yet at full power, but that changes fast. Most trainers push through to Butterfree as fast as possible. An original Gen 1 pick. Only weak to Fire, Flying, and Rock.

An unusually even spread gives Caterpie flexibility. HP barely edges ahead. But Sp. Atk isn't far off. Easy to catch and follows a medium-fast 1M XP curve. Yields 1 HP EV.

Base Stats
195Low
HP45
D
Attack30
F
Defense35
F
Sp. Atk20
F
Sp. Def20
F
Speed45
D
Total195
Low <60
Avg 60-89
High 90-149
Top 150+
EV YieldDefeating Caterpie yields +1 HP
HP+1AtkDefSpASpDSpe
Details
Catch255GuaranteedMedium Fast1M XP0.3m / 1'00"2.9kg / 6.4 lbs39Base XP
Pokedex Entries

It is covered with a green skin. When it grows, it sheds the skin, covers itself with silk, and becomes a cocoon.

Fire Red

Its short feet are tipped with suction pads that enable it to tirelessly climb slopes and walls.

Leaf Green

Caterpie Weakness

Avg

Type-wise, Caterpie takes extra damage from Fire, Flying, and Rock. Standard number of weaknesses for the Bug typing.

Gen III Type Chart
  • Dark and Steel types added — Fairy does not exist yet
  • Moves are Physical or Special based on type, not per move
4xCriticali
None
¼xResisti
None
0xImmunei
None
3Weak
3Resist
0Immune
Scorei-3
Stealth Rock25% on switch
SpikesGrounded — up to 25%
Toxic SpikesVulnerable
Abilities
Shield DustProtects against incoming moves' extra effects.
Run AwayHAEnsures success fleeing from wild battles.

Three stages ahead. Caterpie grows into Metapod, then pushes on to Butterfree. Check the evolution methods below. For breeding, quick to hatch with a decent partner pool via one egg group. Evolving adds up to 200 stat points total.

How to Evolve

3 Forms
Stat Comparison 3 Stages
Caterpie
Bug
Butterfree
BugFlying
HP
45
50+5
60+10
ATK
30
20-10
45+25
DEF
35
55+20
50-5
SP.ATK
20
25+5
90+65
SP.DEF
20
25+5
80+55
SPE
45
30-15
70+40
BST
195D-Tier
205D-Tier+10
395C-Tier+190
ROLE
Balanced
Balanced
Balanced
TYPE
Utility
Utility
Special
Breeding
Very Easy

Breed Caterpie easily with 37 breeding partners from the Bug egg group.

Egg Groups
Bug
Gender
50.0%50.0%
Hatch Time
15 cycles·3,855 steps
Quick~4 min with Flame Body
Breed With (best first)
flygonmasquerainvolbeatillumiseparasectvibravaparastrapinchsurskitshuckleforretressvenomoth

Best Build

No build content available for this Pokemon in Gen 3.

Try selecting a different game/generation filter, or check back later.

Not a lot to pick from. Caterpie gets Bug STAB for same-type damage, and Normal coverage rounds things out. You're building around what's available rather than choosing from a deep bench.

Level-Up Moves

Lv 1
String Shot
9540Bug
Lv 1
Tackle
409535Normal

TM Moves

Caterpie can't learn any TM moves

Egg Moves

Caterpie doesn't have any Egg moves

Tutor Moves

Caterpie can't learn any Tutor moves

high spawn rates in early-game routes across 10 locations. Caterpie's one of the easier catches on the list. Knock it out fast and save your time for harder targets.

Best Locations

10 spots to find Caterpie at Lv. 3-8 via walking. Not all of them exist in both LeafGreen and FireRed versions, so filter by your copy below.

Viridian Forest
LeafGreenGrassLv.3-5CommonEarlyForest
EFFORTLESS
Viridian Forest
FireRedGrassLv.3-5CommonEarlyForest
EFFORTLESS
Pattern Bush
FireRedGrassLv.6UncommonEarly
EASY
Pattern Bush
LeafGreenGrassLv.6UncommonEarly
EASY
Route 24
LeafGreenGrassLv.7UncommonEarlyRoute
EASY
Route 24
FireRedGrassLv.7UncommonEarlyRoute
EASY
Route 25
LeafGreenGrassLv.8UncommonEarlyRoute
EASY
Route 25
FireRedGrassLv.8UncommonEarlyRoute
EASY
Route 2
FireRedGrassLv.4-5RareEarlyRoute
CHALLENGING
Route 2
LeafGreenGrassLv.4-5RareEarlyRoute
CHALLENGING
  • Caterpie is meant to evolve into Metapod. At 195 BST, the stats aren't there for competitive play yet. Pre-evolution Pokemon rarely hold up against fully evolved threats.

  • Caterpie's biggest threats include Charizard (Fire), Aerodactyl (Flying), and Golem (Rock), all carrying super-effective STAB moves.

  • Caterpie evolves into Metapod at level 7. Caterpie is the base form in a 3-stage evolutionary line.

  • Shield Dust is the go-to ability for Caterpie. It protects against incoming moves' extra effects. Its hidden ability Run Away can work in specific setups.

  • Base 45 Speed is low. Priority moves or Trick Room are the way to go. On offense, Caterpie is leaning toward the physical side (base 30 Attack). Defensively? Fragile — can't afford to take many hits.

  • Caterpie appears in 19 games, including Yellow, Red & Blue, and Gold & Silver.

One of the original 151, Caterpie has appeared in 19 games — most mainline games. From Red & Blue through the latest titles, it's rarely been left out of a regional Pokedex.