#071 VictreebelAll 251 Pokémon#073 Tentacruel

Gengar’s Pokédex · Kanto · Generation I

#072 Tentacool

WaterPoison

  • SpeciesJellyfish Pokémon
  • Japanese nameMenokurage
  • PronunciationTENT-UH-COOL
  • Height2′ 11″ 0.89 m
  • Weight100.0 lb 45.00 kg
  • Gender♂ 50% · ♀ 50%
Tentacool official artwork

PokédexWhere to findType matchupsMovesBreedingStats

Name meaning

Combination of TENTACLE and COOL.

Evolution

  1. TentacoolLevel 30Tentacruel
Tentacool in the original Gengar’s Pokédex
Tentacool as it appeared in the original Gengar’s Pokédex

Pokédex entries

RedBlue Drifts in shallow seas. Anglers who hook them by accident are often punished by its stinging acid.
Yellow It can sometimes be found all dry and shriveled up on a beach. Toss it back into the sea to revive it.
Stadium Fires beams of light from its clear eyes. Floats around in shallow waters and may sting unwary anglers.
GoldStadium 2 When the tide goes out, dehydrated TENTACOOL remains can be found washed up on the shore.
Silver It drifts aimlessly in waves. Very difficult to see in water, it may not be noticed until it stings.
Crystal As it floats along on the waves, it uses its toxic feelers to stab anything it touches.

Where to find Tentacool

Game Where to find it Time Rarity
Blue Fishing / Surfing (Pallet Town, Viridian City, Routes 12, 13, 17, 18, 19, 20, 21) NA Many
Red NA Many
Yellow Fishing / Surfing (Pallet Town, Viridian City, Vermilion City, S.S. Anne, Seafoam Island, Cinnabar Island, Routes 11, 13, 17, 18, 19, 20, 21) NA Many
Gold Fishing / Surfing (Cherrygrove City, Cianwood City, Cinnabar Island, New Bark Town, Olivine City, Pallet Town, Union Cave, Vermilion City, Whirl Islands, Routes 12, 13, 19, 20, 21, 26, 27, 32, 34, 40, 41) Any Many
Silver Any Many
Crystal Fishing / Surfing (Cherrygrove City, Cianwood City, Cinnabar Island, New Bark Town, Olivine City, Pallet Town, Union Cave, Vermilion City, Whirl Islands, Routes 12, 13, 20, 21, 26, 27, 32, 34, 40, 41) Any 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×0.5
  • Water×0.5
  • Electric×2
  • Grass×1
  • Ice×0.5
  • Fighting×0.5
  • Poison×0.5
  • Ground×2
  • Flying×1
  • Psychic×2
  • BugG/S/C ×0.5R/B/Y × 2
  • Rock×1
  • Ghost×1
  • Dragon×1
  • Dark×1
  • Steel×0.5
  • Gold, Silver & Crystal: 3 weaknesses and 7 resistances out of 17 types. Defence ratio 3 : 7 (~43%).
  • Red, Blue & Yellow: 4 weaknesses and 5 resistances out of 15 types. Defence ratio 4 : 5 (80%).
  • This Pokémon has more advantages and less weaknesses in GSC than in RBY. Therefore, this Pokémon has a better defense ratio in GSC.

Offence: same-type attacks against each type

  • Normal1st: Normal 2nd: Normal
  • Fire1st: Good 2nd: Normal
  • Water1st: Bad 2nd: Normal
  • Electric1st: Normal 2nd: Normal
  • Grass1st: Bad 2nd: Good
  • Ice1st: Normal 2nd: Normal
  • Fighting1st: Normal 2nd: Normal
  • Poison1st: Normal 2nd: Bad
  • Ground1st: Good 2nd: Bad
  • Flying1st: Normal 2nd: Normal
  • Psychic1st: Normal 2nd: Normal
  • Bug1st (GSC): Normal 2nd (GSC): Normal 1st (RBY): Normal 2nd (RBY): Good
  • Rock1st: Good 2nd: Bad
  • Ghost1st: Normal 2nd: Bad
  • Dragon1st: Bad 2nd: Normal
  • Dark1st: Normal 2nd: Normal
  • Steel1st: Normal 2nd: No Effect
  • Gold, Silver & Crystal: 4 advantages and 8 disadvantages out of 34 types. Offensive ratio 1:2 (50%).
  • Red, Blue & Yellow: 5 advantages and 7 disadvantages out of 30 types. Offensive ratio 5:7 (~71.43%).

Moves learned by levelling up

R/B/Y G/S/C Move Type Kind
Start 19 Acid Poison Physical
7 6 Supersonic Normal Status
13 30 Wrap Normal Physical
18 Start Poison Sting Poison Physical
22 — Water Gun Water Special
27 12 Constrict Normal Physical
— 25 Bubblebeam Water Special
33 36 Barrier Psychic Status
40 43 Screech Normal Status
48 49 Hydro Pump Water Special

“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

  • Ice Beam

TMs & HMs Gold, Silver & Crystal

  • TM03Curse
  • TM06Toxic
  • TM10Hidden Power
  • TM13Snore
  • TM14Blizzard
  • TM16Icy Wind
  • TM17Protect
  • TM18Rain Dance
  • TM19Giga Drain
  • TM20Endure
  • TM21Frustration
  • TM27Return
  • TM32Double Team
  • TM34Swagger
  • TM35Sleep Talk
  • TM36Sludge Bomb
  • TM44Rest
  • TM45Attract
  • HM01Cut
  • HM03Surf
  • HM06Whirlpool

TMs & HMs Red, Blue & Yellow

  • TM03Swords Dance
  • TM06Toxic
  • TM09Take Down
  • TM10Double-Edge
  • TM11Bubblebeam
  • TM12Water Gun
  • TM13Ice Beam
  • TM14Blizzard
  • TM20Rage
  • TM31Mimic
  • TM32Double Team
  • TM33Reflect
  • TM34Bide
  • TM40Skull Bash
  • TM44Rest
  • TM50Substitute
  • HM01Cut
  • HM03Surf

Breeding Gold, Silver & Crystal

Egg groups Water 3 Pokémon group 10

Compatible Pokémon

Egg moves

Move How to pass it down
Aurora Beam Mate with a male Shellder/Cloyster.
Haze Breed a male Wooper/Quagsire to a female Omanyte/Omastar, then breed a male offspring with a female Tentacool/Tentacruel.
Mirror Coat Mate with a male Corsola.
Rapid Spin Breed a male from Squirtle Family with a female Kabuto/Kabutops, then breed the male offspring to a female Tentacool/Tentacruel.
Safeguard Mate a male Corsola with a female from Dratini or Seel Family, then breed the male offspring with a female Tentacool/Tentacruel.

Stats

Stat Base Range at Lv. 100 G/S/C rank R/B/Y rank
HP 40 253-283 38/4518.41% 35/4219.80%
Attack 40 148-178 41/4912.54% 39/4510.60%
Defense 35 138-168 47/5512.54% 39/4410.60%
Speed 70 208-238 23/4755.96% 22/4250.00%
Special Attack G/S/C 50 168-198 31/4627.43% —
Special Defense G/S/C 100 268-298 11/4187.46% —
Special R/B/Y 100 268-298 — 9/2985.28%
Total 335 G/S/C
285 R/B/Y
1183-1363
1015-1165
53/8724.20% 43/6522.70%

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