#022 FearowAll 251 Pokémon#024 Arbok
Gengar’s Pokédex · Kanto · Generation I
#023 Ekans
Poison
- SpeciesSnake Pokémon
- Japanese nameArbo
- PronunciationECK-EHNS
- Height6′ 7″ 2.01 m
- Weight15.0 lb 6.75 kg
- Gender♂ 50% · ♀ 50%
PokédexWhere to findType matchupsMovesBreedingStats
Pokédex entries
| RedBlue | Moves silently and stealthily. Eats the eggs of birds, such as PIDGEY and SPEAROW, whole. |
|---|---|
| Yellow | The older it gets, the longer it grows. At night, it wraps its long body around tree branches to rest. |
| Stadium | Slithers silently through grass, searching for its favorite food–PIDGEY and SPEAROW eggs. |
| GoldStadium 2 | It can freely detach its jaw to swallow large prey whole. It can become to heavy to move, however. |
| Silver | It always hides in grass. When first born, it has no poison, so its bite is painful but harmless. |
| Crystal | It flutters the tip of its tongue to seek out the scent of prey, then swallows the prey whole. |
Where to find Ekans
| Game | Where to find it | Time | Rarity |
|---|---|---|---|
| Blue | Must trade from Red, Gold, Silver, or Crystal | NA | None |
| Red | Routes 4, 8, 9, 11, 23 | NA | Many |
| Yellow | Must trade from Red, Gold, Silver, or Crystal | NA | None |
| Gold | Goldenrod City (Buy at Game Corner) | Any | Prize |
| Silver | Routes 3, 4, 32, 33 | Any | Many |
| Crystal | Routes 3, 4, 32, 33, 42, Johto (Headbutt) | Mostly morn. or day | Many |
How to catch
| Ground | Surf | Fishing | Forest Tree | Mountain Tree | Rock Smash | Breed | Evolve | Event | BugCatch | Game Corner | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R/B | |||||||||||
| Yellow | |||||||||||
| G/S | ✓ | ||||||||||
| Crystal | ✓ | ✓ | ✓ | ✓ |
✓ marks how you can get it in each game. Shaded boxes are methods that didn’t exist in that game.
Type matchups
Defence: damage taken from each attack type
- Normal×1
- Fire×1
- Water×1
- Electric×1
- Grass×0.5
- Ice×1
- Fighting×0.5
- Poison×0.5
- Ground×2
- ×1
- Psychic×2
- BugG/S/C ×0.5R/B/Y × 2
- Rock×1
- Ghost×1
- Dragon×1
- Dark×1
- Steel×1
- Gold, Silver & Crystal: 2 weaknesses and 4 resistances out of 17 types. Defence ratio 1 : 2 (50%).
- Red, Blue & Yellow: 3 weaknesses and 3 resistances out of 15 types. Defence ratio 1 : 1 (100%).
- This Pokémon has one less weakness and one more resistance in GSC than in RBY. So this Pokémon has a better defense ratio in GSC.
Offence: same-type attacks against each type
- NormalNormal
- FireNormal
- WaterNormal
- ElectricNormal
- GrassGood
- IceNormal
- FightingNormal
- PoisonBad
- GroundBad
- Normal
- PsychicNormal
- BugG/S/C NormalR/B/Y Good
- RockBad
- GhostBad
- DragonNormal
- DarkNormal
- SteelNo Effect
- Gold, Silver & Crystal: 1 advantage and 5 disadvantages out of 17 types. Offensive ratio 1:5 (20%).
- Red, Blue & Yellow: 2 advantages and 4 disadvantages out of 15 types. Offensive ratio 1:2 (50%).
Moves learned by levelling up
| Yellow | R/B | G/S/C | Move | Type | Kind |
|---|---|---|---|---|---|
| — | Start | Start | Wrap | Normal | Physical |
| — | Start | Start | Leer | Normal | Status |
| — | 10 | 9 | Poison Sting | Poison | Physical |
| — | 17 | 15 | Bite | NormalR/B/Y DarkG/S/C | Special |
| — | 24 | 23 | Glare | Normal | Status |
| — | 31 | 29 | Screech | Normal | Status |
| — | 38 | 37 | Acid | Poison | Physical |
| — | — | 43 | Haze | Ice | Status |
“Start” means it knows the move from level 1; a dash means it doesn’t learn the move by levelling up in that game.
Move Tutor Crystal
None.
TMs & HMs Gold, Silver & Crystal
- TM02Headbutt
- TM03Curse
- TM06Toxic
- TM10Hidden Power
- TM11Sunny Day
- TM13Snore
- TM17Protect
- TM19Giga Drain
- TM20Endure
- TM21Frustration
- TM26Earthquake
- TM27Return
- TM28Dig
- TM32Double Team
- TM34Swagger
- TM35Sleep Talk
- TM36Sludge Bomb
- TM44Rest
- TM45Attract
- TM46Thief
- HM04Strength
TMs & HMs Red, Blue & Yellow
- TM06Toxic
- TM08Body Slam
- TM09Take Down
- TM10Double-Edge
- TM20Rage
- TM21Mega Drain
- TM26Earthquake
- TM27Fissure
- TM28Dig
- TM31Mimic
- TM32Double Team
- TM34Bide
- TM40Skull Bash
- TM44Rest
- TM48Rock Slide
- TM50Substitute
- HM04Strength
Breeding Gold, Silver & Crystal
| Egg groups | Ground Pokémon group 7 Dragon Pokémon group 13 |
|---|
Compatible Pokémon
- Aipom
- Cyndaquil Family
- Delibird
- Diglett Family
- Dunsparce
- Eevee Family
- Ekans Family
- Farfetch’d
- Girafarig
- Growlithe Family
- Houndour Family
- Mankey Family
- Mareep Family
- Meowth Family
- Miltank
- Nidoran♂ Family
- Nidoran♀
- Phanpy Family
- Pikachu Family
- Ponyta Family
- Psyduck Family
- Rattata Family
- Rhyhorn Family
- Sandshrew Family
- Seel Family
- Sentret Family
- Smeargle
- Sneasel
- Snubbull Family
- Stantler
- Swinub Family
- Tauros
- Teddiursa Family
- Vulpix Family
- Wooper Family
- Charmander Family
- Dratini Family
- Horsea Family
- Magikarp Family
Egg moves
| Move | How to pass it down |
|---|---|
| Beat Up | Mate with a male Sneasel. |
| Pursuit | Mate with a male Dunsparce, Rattata/Raticate, Tauros, or Umbreon. |
| Slam | Mate with a male from Dratini, Pikachu, Sentret, or Wooper Family. |
| Spite | Mate with a male Dunsparce. |
| Crunch (C) | Mate with a male from Girafarig or Houndour Family. |
Stats
| Stat | Base | Range at Lv. 100 | G/S/C rank | R/B/Y rank |
|---|---|---|---|---|
| HP | 35 | 243-273 | 41/4513.57% | 38/4214.72% |
| Attack | 60 | 188-218 | 28/4934.46% | 28/4530.85% |
| Defense | 44 | 156-186 | 41/5519.80% | 36/4418.41% |
| Speed | 55 | 178-208 | 32/4732.66% | 30/4229.14% |
| Special Attack G/S/C | 40 | 148-178 | 37/4615.87% | — |
| Special Defense G/S/C | 54 | 176-206 | 31/4129.14% | — |
| Special R/B/Y | 40 | 148-178 | — | 24/2914.72% |
| Total | 288 G/S/C 234 R/B/Y |
1089-1269 913-1063 |
69/8712.54% | 55/658.88% |
Ranges are the lowest and highest the stat can be at level 100. Ranks compare the base stat with every other Pokémon in those games (1 is the highest), with its percentile underneath.
Restored from Gengar’s Online Pokédex v4.2, one of the first Pokédexes on the web, created by Curtis Alumbaugh (Gengar) with Ian Alumbaugh (Haunter) and kept by Pokémon Dungeon. How to read this page · Red, Blue & Yellow moves · The Library