
Default game sprite of Treecko
Copyright reference image, not a Creative Commons asset. API availability does not grant a free image licence.
Overview
Treecko is a fictional Pokémon species introduced in Generation III. Its default game form has Grass typing and is recorded by PokéAPI at 0.5 metres tall and 5 kilograms.
The listed abilities for this default form are Overgrow, Unburden (hidden ability). These are structured game attributes; they do not describe a real biological species.
Species and game attributes
Properties of the species and its default game form. Versions and alternate forms can differ.
- Types
- Grass
- Height
- 0.5 m
- Weight
- 5 kg
- Abilities
- Overgrow, Unburden (hidden)
- Egg groups
- Monster, Dragon
- Habitat
- Forest
- Body shape
- Upright
- Colour
- Green
- Experience growth
- Medium Slow
- Gender distribution
- 12.5% female · 87.5% male
- Hatch duration
- 20 cycles
- Base friendship
- 70 / 255
- Capture parameter
- 45 / 255
- Form references
- Treecko
- Species varieties
- Treecko
Base stats
- HP
- 40
- Attack
- 45
- Defense
- 35
- Special Attack
- 65
- Special Defense
- 55
- Speed
- 70
Base stats are starting parameters, rather than an individual’s calculated battle stats. Capture rate is a game parameter, not a percentage chance; steps per hatch cycle depend on the game.
Species source · Default-form source
Source values and definitions
- Egg groups (API names)
- Monster, Dragon Game classificationA fictional game-data category; not a real biological classification.Source record
- Experience growth category (API name)
- Medium Slow Game classificationA fictional game-data category; not a real biological classification.Source record
- API habitat category
- Forest Game classificationA fictional game-data category; not a real biological classification.Source record
- API body-shape category
- Upright Game classificationA fictional game-data category; not a real biological classification.Source record
- API colour category
- Green Game classificationA fictional game-data category; not a real biological classification.Source record
- Gender rate (raw API value)
- 1 Eighths; -1 = genderlessRaw API rate in eighths for female probability; -1 means genderless in game data.Source record
- Hatch counter
- 20 Game hatch cyclesRaw API cycle count. Steps per cycle depend on game/version; no universal step conversion is supplied.Source record
- Base happiness
- 70 Game friendship parameter (0–255)Initial game value; not a measure of real animal behaviour.Source record
- Capture rate
- 45 Game capture parameter (0–255)A parameter used by game capture mechanics, not a direct percentage probability.Source record
- Default-form height (raw)
- 5 DecimetresFictional default game form; the existing heightM field provides the metres conversion.Source record
- Default-form weight (raw)
- 50 HectogramsFictional default game form; the existing weightKg field provides the kilograms conversion.Source record
- Base stat: Hp
- 40 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Base stat: Attack
- 45 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Base stat: Defense
- 35 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Base stat: Special Attack
- 65 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Base stat: Special Defense
- 55 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Base stat: Speed
- 70 Game stat pointsDefault-form base stat, not a calculated individual battle stat or biological measurement.Source record
- Default Pokémon record: form references
- Treecko Referenced game formsReferences listed by the cached default Pokémon endpoint; detailed form endpoints were not fetched.Source record
- Species varieties
- Treecko Referenced Pokémon varietiesNamed references only; alternate-variety statistics remain outside this record.Source record
First appearances & development
Pokémon game franchise; Generation III
Canon & continuity
Structured species, default-form and evolution records retrieved from PokéAPI. Game statistics are fictional attributes.
Selected bibliography
Documented works and useful reading. This is not a list of every appearance.
- 01
Pokémon Ruby
Earliest version attested in the structured source; full appearance bibliography remains incomplete.
- 02
Pokémon Sapphire
Earliest version attested in the structured source; full appearance bibliography remains incomplete.
Family, evolution & connections
Canonical evolution family
Pokémon “evolution” is a game transformation mechanic, distinct from biological evolution. Selected default conditions are shown; games and forms can differ.
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References
Sources supporting this profile. Linked pages have their own scope and editorial standards.
- Structured game-data APIPokéAPI species: TreeckoResearch access: 2026-10-05
- Structured game-data APIPokéAPI default game form: treeckoResearch access: 2026-10-05
- Structured game-data APIPokéAPI evolution chainResearch access: 2026-10-05
- Structured game-data APIPokéAPI introduction generationResearch access: 2026-10-05
- Structured game-data APIPokéAPI earliest attested version group within introduction generationResearch access: 2026-10-05
Image credits
Game spriteDefault game sprite of Treecko
Copyright reference image, not a Creative Commons asset. API availability does not grant a free image licence.