
| Id | 23 | 
| Type | poison | 
| Species | Snake Pokémon | 
| Height | 2 m | 
| Weight | 6.9 kg | 
| Abilities | Intimidate, Shed Skin Hidden Ability: Unnerve | 
| Local Ids | 23 (Red/Blue/Yellow) 50 (Gold/Silver/Crystal) 23 (FireRed/LeafGreen) 50 (HeartGold/SoulSilver) 37 (X/Y — Mountain Kalos) 61 (U.Sun/U.Moon — Alola dex) 23 (Let's Go Pikachu/Let's Go Eevee) | 
| Catch rate | 255 | 
| Base Friendship | 50 (normal) | 
| Base Exp | 58 | 
| Growth Rate | Medium Fast | 
| Egg Groups | Dragon, Field | 
| Gender | 50% male, 50% female | 
| Egg cycles | 20 (4,884–5,140 steps) | 
| HP | 35 | |
| Attack | 60 | |
| Defense | 44 | |
| Sp. Atk | 40 | |
| Sp. Def | 54 | |
| Speed | 55 | |
| Total | 288 | 
| Level | Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|---|
| 1 | Leer | normal | status | 0 | 100 | 
| 1 | Wrap | normal | physical | 15 | 90 | 
| 4 | Poison Sting | poison | physical | 15 | 100 | 
| 9 | Bite | dark | physical | 60 | 100 | 
| 12 | Glare | normal | status | 0 | 100 | 
| 17 | Screech | normal | status | 0 | 85 | 
| 20 | Acid | poison | special | 40 | 100 | 
| 25 | Spit Up | normal | special | 0 | 100 | 
| 25 | Stockpile | normal | status | 0 | — | 
| 25 | Swallow | normal | status | 0 | — | 
| 28 | Acid Spray | poison | special | 40 | 100 | 
| 33 | Sludge Bomb | poison | special | 90 | 100 | 
| 36 | Gastro Acid | poison | status | 0 | 100 | 
| 38 | Belch | poison | special | 120 | 90 | 
| 41 | Haze | ice | status | 0 | — | 
| 44 | Coil | poison | status | 0 | — | 
| 49 | Gunk Shot | poison | physical | 120 | 80 | 
Ekans does not learn any moves from evolution.
| Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|
| Beat Up | dark | physical | 0 | 100 | 
| Disable | normal | status | 0 | 100 | 
| Poison Fang | poison | physical | 50 | 100 | 
| Poison Tail | poison | physical | 50 | 100 | 
| Scary Face | normal | status | 0 | 100 | 
| Slam | normal | physical | 80 | 75 | 
| Spite | ghost | status | 0 | 100 | 
| Sucker Punch | dark | physical | 70 | 100 | 
| Switcheroo | dark | status | 0 | 100 | 
Ekans can not have any move tutor moves.
| TM | Move | Type | Category | Power | Accuracy | 
|---|---|---|---|---|---|
| 11 | Sunny Day | fire | status | 0 | — | 
| 17 | Protect | normal | status | 0 | — | 
| 18 | Rain Dance | water | status | 0 | — | 
| 19 | Giga Drain | grass | special | 75 | 100 | 
| 23 | Iron Tail | steel | physical | 100 | 75 | 
| 26 | Earthquake | ground | physical | 100 | 100 | 
| 28 | Dig | ground | physical | 80 | 100 | 
| 32 | Double Team | normal | status | 0 | — | 
| 36 | Sludge Bomb | poison | special | 90 | 100 | 
| 39 | Rock Tomb | rock | physical | 60 | 95 | 
| 41 | Torment | dark | status | 0 | 100 | 
| 42 | Facade | normal | physical | 70 | 100 | 
| 44 | Rest | psychic | status | 0 | — | 
| 45 | Attract | normal | status | 0 | 100 | 
| 46 | Thief | dark | physical | 60 | 100 | 
| 58 | Endure | normal | status | 0 | — | 
| 66 | Payback | dark | physical | 50 | 100 | 
| 79 | Dark Pulse | dark | special | 80 | 100 | 
| 80 | Rock Slide | rock | physical | 75 | 90 | 
| 82 | Sleep Talk | normal | status | 0 | — | 
| 83 | Bulldoze | ground | physical | 60 | 100 | 
| 84 | Poison Jab | poison | physical | 80 | 100 | 
| 87 | Swagger | normal | status | 0 | 85 | 
| 90 | Substitute | normal | status | 0 | — | 
| 96 | Strength | normal | physical | 80 | 100 | 
Ekans can not get any moves from trs.
| English | Ekans | 
|---|---|
| Spanish | Ekans | 
| Italian | Ekans | 
| Japanese | アーボ (Arbo) | 
| German | Rettan | 
| French | Abo | 
| Red | Route 4, Route 8, Route 9, Route 10, Route 11, Route 23 | 
|---|---|
| Blue Yellow | Trade/migrate from another game | 
| Gold | Goldenrod City | 
| Silver | Route 3, Route 4, Route 32, Route 33 | 
| Crystal | Route 3, Route 4, Route 26, Route 27, Route 32, Route 33, Route 42, Azalea Town | 
| Ruby Sapphire | Trade/migrate from another game | 
| FireRed | Route 4, Route 8, Route 9, Route 10, Route 11, Route 23 | 
| LeafGreen Emerald | Trade/migrate from another game | 
| Diamond Pearl Platinum | Route 212 | 
| HeartGold | Goldenrod City | 
| SoulSilver | Route 3, Route 4, Route 32, Route 33 | 
| Black White Black 2 White 2 | Trade/migrate from another game | 
| X Y | Route 14 | 
| Omega Ruby Alpha Sapphire | Trade/migrate from another game | 
| Sun Moon | Trade/migrate from another game | 
| Ultra Sun Ultra Moon | Route 2 | 
| Let's Go Pikachu | Trade/migrate from another game | 
| Let's Go Eevee | Route 3, Route 4 | 
| Sword Shield | Not available in this game | 
| Brilliant Diamond | Grassland Cave, Swampy Cave, Riverbank Cave, Still-Water Cavern, Sunlit Cavern, Bogsunk Cavern | 
| Shining Pearl | Location data not yet available |