#116 HorseaAll 251 Pokémon#118 Goldeen

Gengar’s Pokédex · Kanto · Generation I

#117 Seadra

Water

  • SpeciesDragon Pokémon
  • Japanese nameSeadra
  • PronunciationSEE-DRUH
  • Height3′ 11″ 1.19 m
  • Weight55.0 lb 24.75 kg
  • Gender♂ 50% · ♀ 50%
Seadra official artwork

PokédexWhere to findType matchupsMovesBreedingStats

Name meaning

Comes from SEA. The -DRA comes from DRAGON, and from HYDRA (sea monster of Greek mythology). “Hydra the SEA DRAGON”

Evolution

  1. HorseaLevel 32SeadraTrade using a Link Cable with Dragon Scale attachedKingdra
Seadra in the original Gengar’s Pokédex
Seadra as it appeared in the original Gengar’s Pokédex

Pokédex entries

RedBlue Capable of swimming backwards by rapidly flapping its wing-like pectoral fins and stout tail.
Yellow Touching the back fin causes numbness. It hooks its tail to coral to stay in place while sleeping.
Stadium A clever Pokémon that can swim backwards while facing forward. Feinting may result from a jab of its sharp spikes.
GoldStadium 2 An examination of its cells revealed the presence of gene not found in HORSEA. It became a hot topic.
Silver Its fin-tips leak poison. Its fins and bone are highly valued as ingredients in herbal medicine.
Crystal The male raises the young. If it is approached, it uses its toxic spikes to fend off the intruder.

Where to find Seadra

Game Where to find it Time Rarity
Blue Surfing (Seafoam Island, Unknown Dungeon, Route 23) NA Few/Evolve
Red NA Few/Evolve
Yellow Surfing (Routes 12 & 13) NA Few/Evolve
Gold Fishing (Whirl Islands) / Surfing (Whirl Islands Basement 4) Any Few/Evolve
Silver Any Few/Evolve
Crystal Any Few/Evolve

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×2
  • Ice×0.5
  • Fighting×1
  • Poison×1
  • Ground×1
  • Flying×1
  • Psychic×1
  • Bug×1
  • Rock×1
  • Ghost×1
  • Dragon×1
  • Dark×1
  • Steel×0.5
  • Gold, Silver & Crystal: 2 weaknesses and 4 resistances out of 17 types. Defence ratio 1 : 2 (50%).
  • Red, Blue & Yellow: 2 weaknesses and 3 resistances out of 15 types. Defence ratio 2 : 3 (~67%).
  • This Pokémon has more weaknesses in GSC than in RBY. So this Pokémon has a better defense ratio in RBY.

Offence: same-type attacks against each type

  • NormalNormal
  • FireGood
  • WaterBad
  • ElectricNormal
  • GrassBad
  • IceNormal
  • FightingNormal
  • PoisonNormal
  • GroundGood
  • FlyingNormal
  • PsychicNormal
  • BugNormal
  • RockGood
  • GhostNormal
  • DragonBad
  • DarkNormal
  • SteelNormal
  • Gold, Silver & Crystal: 3 advantages and 3 disadvantages out of 17 types. Offensive ratio 1:1 (100%).
  • Red, Blue & Yellow: 1 advantage and 1 disadvantage out of 15 types. Offensive ratio 1:1 (100%).

Moves learned by levelling up

R/B/Y G/S/C Move Type Kind
Start Start Bubble Water Special
Start Start Smokescreen Normal Status
24 Start Leer Normal Status
30 22 Water Gun Water Special
— 29 Twister Dragon Physical
41 40 Agility Psychic Status
52 51 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

  • TM02Headbutt
  • TM03Curse
  • TM06Toxic
  • TM10Hidden Power
  • TM13Snore
  • TM14Blizzard
  • TM15Hyper Beam
  • TM16Icy Wind
  • TM17Protect
  • TM18Rain Dance
  • TM20Endure
  • TM21Frustration
  • TM24Dragonbreath
  • TM27Return
  • TM32Double Team
  • TM34Swagger
  • TM35Sleep Talk
  • TM39Swift
  • TM44Rest
  • TM45Attract
  • HM03Surf
  • HM06Whirlpool
  • HM07Waterfall

TMs & HMs Red, Blue & Yellow

  • TM06Toxic
  • TM09Take Down
  • TM10Double-Edge
  • TM11Bubblebeam
  • TM12Water Gun
  • TM13Ice Beam
  • TM14Blizzard
  • TM15Hyper Beam
  • TM20Rage
  • TM31Mimic
  • TM32Double Team
  • TM34Bide
  • TM39Swift
  • TM40Skull Bash
  • TM44Rest
  • TM50Substitute
  • HM03Surf

Breeding Gold, Silver & Crystal

Egg groups Water 1 Pokémon group 8 Dragon Pokémon group 13

Compatible Pokémon

Egg moves

Move How to pass it down
Aurora Beam Mate with a male from Remoraid or Seel Family.
Disable Mate with a male from Psyduck or Slowpoke Family.
Dragon Rage Mate with a male from Charmander or Dratini Family; or Gyarados.
Flail Mate with a male Magikarp.
Octazooka Mate with a male Octillery.
Splash (Not Recommended. ~_~) Mate with a male Magikarp.

Stats

Stat Base Range at Lv. 100 G/S/C rank R/B/Y rank
HP 55 283-313 30/4534.46% 27/4236.34%
Attack 65 198-228 24/4940.14% 24/4538.21%
Defense 95 258-288 13/5580.20% 10/4481.59%
Speed 85 238-268 14/4775.80% 14/4272.57%
Special Attack G/S/C 95 258-288 11/4685.28% —
Special Defense G/S/C 45 158-188 34/4118.41% —
Special R/B/Y 95 258-288 — 10/2981.59%
Total 440 G/S/C
395 R/B/Y
1393-1573
1235-1385
29/8761.79% 20/6572.57%

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