- ATTACK (LV 100)
- 44
- CATCH CHANCE
- 51% (Poké Ball)
- EGG STEPS
- 800
- BASE EXP
- 67
- GROWTH RATE
- Slow
- CARD RARITY
- common
- HOME REGION
- Kanto
Where to find it
Route 4 Water, with the Super Rod · 11% of encounters Route 24 Water, with the Super Rod · 8.3% of encounters Route 25 Water, with the Super Rod · 7.1% of encounters Route 11 Water, with the Super Rod · 13% of encounters Route 10 Water, with the Super Rod · 13% of encounters Route 13 Water, with the Super Rod · 7.7% of encounters Route 19 Wild · 25% of encounters Route 20 Wild · 17% of encounters Route 21 Water, with the Super Rod · 14% of encounters Treasure Beach Water, with the Super Rod · 8.3% of encounters Kindle Road Water, with the Super Rod · 7.1% of encounters Bond Bridge Water, with the Super Rod · 6.3% of encounters Five Isle Meadow Water, with the Super Rod · 5.6% of encounters Memorial Pillar Wild · 7.7% of encounters Water Labyrinth Wild · 7.7% of encounters Resort Gorgeous Wild · 7.7% of encounters Water Path Water, with the Super Rod · 4.8% of encounters Green Path Wild · 8.3% of encounters Outcast Island Wild · 8.3% of encounters Route 32 Water, with the Super Rod · 6.7% of encounters Route 34 Water, with the Super Rod · 6.3% of encounters Route 40 Wild · 14% of encounters Route 41 Wild · 17% of encounters Route 47 Water, with the Super Rod · 4.0% of encounters Route 27 Water, with the Super Rod · 5.6% of encounters Route 26 Water, with the Super Rod · 5.6% of encounters Route 103 Water, with the Super Rod · 13% of encounters Route 110 Water, with the Super Rod · 10% of encounters Route 115 Water, with the Super Rod · 11% of encounters Route 105 Wild · 20% of encounters Route 106 Wild · 20% of encounters Route 107 Wild · 20% of encounters Route 108 Wild · 20% of encounters Route 109 Wild · 20% of encounters Route 118 Water, with the Super Rod · 11% of encounters Route 119 Water, with the Super Rod · 10% of encounters Route 121 Water, with the Super Rod · 9.1% of encounters Route 122 Wild · 17% of encounters Route 123 Water, with the Super Rod · 9.1% of encounters Route 124 Wild · 13% of encounters Route 125 Wild · 17% of encounters Route 126 Wild · 13% of encounters Route 127 Wild · 17% of encounters Route 128 Wild · 14% of encounters Route 129 Wild · 14% of encounters Route 130 Water, with the Super Rod · 14% of encounters Route 131 Wild · 17% of encounters Route 132 Wild · 14% of encounters Route 133 Wild · 14% of encounters Route 134 Wild · 14% of encounters 
Icefall Cave Dungeon · wild · 4.0% of wild fights Sunburst Island Dungeon · wild · 7.7% of wild fights Tanoby Ruins Dungeon · wild · 6.7% of wild fights Shoal Cave Dungeon · wild · 17% of wild fights Seafloor Cavern Dungeon · wild · 13% of wild fights Sealed Chamber Dungeon · wild · 20% of wild fights Evolution
| From | To | How |
|---|---|---|
 Tentacool |  Tentacruel | Lv 30 |
Level evolutions happen by themselves when the Pokémon reaches the level: you get the evolved Pokémon and keep the one you had. Stones and other evolution items are used from the bag on a Pokémon you own.
Base stats
HP 40
Attack 40
Defense 35
Sp. Atk 50
Sp. Def 100
Speed 70
Total335
Its attack in the game is worked out from all six stats (see Game mechanics).
Type matchups
How much damage Tentacool takes from each attacking type (only the ones that aren't ×1).
Takes ×2: electricgroundpsychic
Takes ×½: firewatericefightingpoisonbugsteelfairy
Trading card
Its card in Kanto Set 1 is common. Owning the card raises Tentacool's attack: +2% (normal), +5% (gold), +10% (animated), +20% (shiny), and up to +40% once graded by TAPMARK.