The end of the line in Gen 1 since Kingdra arrives in Gen 2, Seadra has decent Special but limited coverage at C-Tier in Red & Blue.
490HP55Attack65Defense95Speed85Sp.Def95Sp.Atk95
Horsea
Seadra
Weak to
Special
Balanced
85Speed · Above Avg

Is Seadra Good in Red & Blue Playthrough?

Seadra has decent speed and special output, but pure Water typing doesn't offer anything Starmie, Lapras, or Gyarados can't do better. Usable if you've already passed on those options.

StrongGoodEvenToughBadSEGEGESSTSEEGBrockGym 1MistyGym 2SurgeGym 3ErikaGym 4KogaGym 5SabrinaGym 6HorseaCatchSeadraCatchableBlaineGym 7GiovanniGym 8LoreleiE4BrunoE4AgathaE4LanceE4BlueChamp*
Brock
Gym 1
Strong

Seadra resists most of Brock's coverage and hits back hard.

Easy KO
Geodude
Lv 12
RockGround
Rock Head
TackleDefense Curl
Easy KO
Onix
Lv 14
RockGround
Rock Head
TackleScreechBide
Misty
Gym 2
Even

Seadra trades roughly evenly with Misty's team.

Even
Staryu
Lv 18
Water
Illuminate
TackleWater Gun
Risky
Starmie
Lv 21
WaterPsychic
Illuminate
TackleWater GunBubble Beam
Lt. Surge
Gym 3
Good

Seadra has the type edge here and should clean up Lt. Surge's team.

You Win
Voltorb
Lv 21
Electric
Soundproof
TackleScreechSonic Boom
You Win
Pikachu
Lv 18
Electric
Static
Thunder ShockGrowlThunder WaveQuick Attack
Even
Raichu
Lv 24
Electric
Static
Thunder ShockGrowlThunderbolt
Erika
Gym 4
Even

Seadra trades roughly evenly with Erika's team.

Even
Victreebel
Lv 29
GrassPoison
Chlorophyll
Razor LeafWrapPoison PowderSleep Powder
You Win
Tangela
Lv 24
Grass
Chlorophyll
ConstrictBind
Even
Vileplume
Lv 29
GrassPoison
Chlorophyll
Petal DancePoison PowderMega DrainSleep Powder
Koga
Gym 5
Good

Seadra has the type edge here and should clean up Koga's team.

You Win
Koffing
Lv 37
Poison
Levitate
TackleSmogSludgeSmokescreen
You Win
Muk
Lv 39
Poison
Stench
DisablePoison GasMinimizeSludge
You Win
Koffing
Lv 37
Poison
Levitate
TackleSmogSludgeSmokescreen
Even
Weezing
Lv 43
Poison
Levitate
SmogSludgeToxicSelf Destruct
Sabrina
Gym 6
Even

Seadra trades roughly evenly with Sabrina's team.

Even
Kadabra
Lv 38
Psychic
Synchronize
DisablePsybeamRecoverPsychic
You Win
Mr Mime
Lv 37
Psychic
Soundproof
ConfusionBarrierLight ScreenDouble Slap
Even
Venomoth
Lv 38
BugPoison
Shield Dust
Poison PowderLeech LifeStun SporePsybeam
Even
Alakazam
Lv 43
Psychic
Synchronize
PsybeamRecoverPsywaveReflect
Blaine
Gym 7
Strong

Seadra resists most of Blaine's coverage and hits back hard.

Easy KO
Growlithe
Lv 42
Fire
Intimidate
EmberLeerTake DownAgility
Easy KO
Ponyta
Lv 40
Fire
Run Away
Tail WhipStompGrowlFire Spin
Easy KO
Rapidash
Lv 42
Fire
Run Away
Tail WhipStompGrowlFire Spin
You Win
Arcanine
Lv 47
Fire
Intimidate
RoarEmberFire BlastTake Down
Giovanni
Gym 8
Strong

Seadra resists most of Giovanni's coverage and hits back hard.

Easy KO
Rhyhorn
Lv 45
GroundRock
Lightning Rod
StompTail WhipFury AttackHorn Drill
Easy KO
Dugtrio
Lv 42
Ground
Sand Veil
GrowlDigSand AttackSlash
Easy KO
Nidoqueen
Lv 44
PoisonGround
Poison Point
ScratchTail WhipBody SlamPoison Sting
Easy KO
Nidoking
Lv 45
PoisonGround
Poison Point
TackleHorn AttackPoison StingThrash
Easy KO
Rhydon
Lv 50
GroundRock
Lightning Rod
StompTail WhipFissureHorn Drill
Lorelei
Elite Four
Tough

Lorelei's typing presses Seadra's defenses.

Risky
Dewgong
Lv 54
WaterIce
Thick Fat
GrowlAurora BeamRestTake Down
Risky
Cloyster
Lv 53
WaterIce
Shell Armor
SupersonicClampAurora BeamSpike Cannon
Even
Slowbro
Lv 54
WaterPsychic
Oblivious
GrowlWater GunWithdrawAmnesia
Even
Jynx
Lv 56
IcePsychic
Oblivious
Double SlapIce PunchBody SlamThrash
Risky
Lapras
Lv 56
WaterIce
Water Absorb
Body SlamConfuse RayBlizzardHydro Pump
Bruno
Elite Four
Strong

Seadra resists most of Bruno's coverage and hits back hard.

Easy KO
Onix
Lv 53
RockGround
Rock Head
Rock ThrowRageSlamHarden
You Win
Hitmonchan
Lv 55
Fighting
Keen Eye
Ice PunchThunder PunchMega PunchCounter
You Win
Hitmonlee
Lv 55
Fighting
Limber
Jump KickFocus EnergyHigh Jump KickMega Kick
Easy KO
Onix
Lv 56
RockGround
Rock Head
Rock ThrowRageSlamHarden
You Win
Machamp
Lv 58
Fighting
Guts
LeerFocus EnergyFissureSubmission
Agatha
Elite Four
Even

Seadra trades roughly evenly with Agatha's team.

Even
Gengar
Lv 56
GhostPoison
Cursed Body
Confuse RayNight ShadeHypnosisDream Eater
You Win
Golbat
Lv 56
PoisonFlying
Inner Focus
SupersonicConfuse RayWing AttackHaze
Even
Haunter
Lv 55
GhostPoison
Levitate
Confuse RayNight ShadeHypnosisDream Eater
Even
Arbok
Lv 58
Poison
Intimidate
BiteGlareScreechAcid
Risky
Gengar
Lv 60
GhostPoison
Cursed Body
Confuse RayNight ShadeToxicDream Eater
Lance
Elite Four
Even

Seadra trades roughly evenly with Lance's team.

Risky
Gyarados
Lv 58
WaterFlying
Intimidate
Dragon RageLeerHydro PumpHyper Beam
You Win
Dragonair
Lv 56
Dragon
Shed Skin
AgilitySlamDragon RageHyper Beam
You Win
Dragonair
Lv 56
Dragon
Shed Skin
AgilitySlamDragon RageHyper Beam
You Win
Aerodactyl
Lv 60
RockFlying
Rock Head
SupersonicBiteTake DownHyper Beam
Even
Dragonite
Lv 62
DragonFlying
Inner Focus
AgilitySlamBarrierHyper Beam
Blue
Champion
Good

Seadra has the type edge here and should clean up Blue's team.

You Win
Pidgeot
Lv 61
NormalFlying
Keen Eye
WhirlwindWing AttackSky AttackMirror Move
Even
Alakazam
Lv 59
Psychic
Synchronize
PsybeamRecoverPsychicReflect
Easy KO
Rhydon
Lv 61
GroundRock
Lightning Rod
Tail WhipFury AttackHorn DrillLeer
Risky
Gyarados
Lv 61
WaterFlying
Intimidate
Dragon RageLeerHydro PumpHyper Beam
You Win
Arcanine
Lv 63
Fire
Intimidate
RoarEmberLeerTake Down
Risky
Venusaur
Lv 65
GrassPoison
Overgrow
Razor LeafGrowthMega DrainSolar Beam

Catchable

Available after Badge 6
Type
Water
Tier
C

Catch Seadra on Seafoam Islands (walking, Lv 37, rare).

View Seadra locations

Catch Horsea

Available after Badge 6
Type
Water
Tier
F

Catch Horsea on Seafoam Islands (walking, Lv 28-30, uncommon).

View Horsea locations

Recommended Moves

How to Get Seadra in Red & Blue

Raising a Horsea to level 32 usually beats waiting for the wild form to surface. When it does, Seadra runs uncommon to rare while fishing or surfing, ten encounters across three spots.

3 locations to catch Seadra

Encountered via fishing with a Rod, tall grass encounters

Badge 6
Badge 7
Badge 8
Post-Game

Seadra Weakness

Electric and Grass moves hit Seadra for super-effective damage. Its Water typing keeps the defensive matchups simple. With 55 HP and balanced defenses, Seadra can afford to eat a neutral hit or two.

Seadra Weakness and Resistance Chart
DamageTypes
2x (Weak)Electric, Grass
0.5x (Resist)Fire, Water, Ice
Gen I Type Chart
  • Only 15 types exist — Dark, Steel, and Fairy are absent
  • Ghost has no effect on Psychic (a known bug, fixed in Gen II)
  • Special stat governs both offense and defense — no Sp.Atk / Sp.Def split

What is Seadra Weak Against

Avg
2Weak
3Resist
0Immune
Score-1
4xCritical
None
½xResist
¼xResist
None
0xImmune
None

What is Seadra Strong Against

3Strong
3Resisted
0Immune
Score0
½xResisted
0xImmune
None

Best Pokemon Against Seadra

Parasect
Parasect
BugGrass
C
Venusaur
Venusaur
GrassPoison
C
Tangela
Tangela
Grass
C
Exeggutor
Exeggutor
GrassPsychic
S
Jolteon
Jolteon
Electric
A

Seadra Evolutions

You get Seadra from Horsea at level 32. This Water type hits 490 total but remains in the Undiscovered group. Evolving from Horsea gave Seadra the biggest boost in Special (+70), bringing the total to 490 stats. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Horsea
Water
Seadra
Water
HP
30
55+25
ATK
40
65+25
DEF
70
95+25
SP.ATK
70
95+25
SP.DEF
25
45+20
SPE
60
85+25
BST
295F-Tier
440C-Tier+145
ROLE
Balanced
Balanced
TYPE
Special
Special
Breeding not available · Introduced in Gen 2

RB Seadra Best Moveset

95 Special and 85 Speed, solid numbers for mid-tier Water play. MoveSurf and MoveBlizzard provide standard Water/Ice coverage. Not as bulky as Lapras or as fast as Starmie, but holds its own in the middle.

Best Build

Experimental
Utility
Ability
Unknown
Item
None
Best Nature for Seadra
HardyNEUTRAL

Utility Moveset

  • BlizzardCoverage
  • Hydro PumpSTAB
  • SurfSTAB
  • SmokescreenUtility

Moves List

Without TMs, Seadra's movepool is bare bones. With them, you get Normal and Ice coverage on top of Hydro Pump and Surf for STAB. The natural kit handles basics, but TMs are doing the real work.

Level-Up Moves

Lv 1
Bubble
—3010030Water
Lv 1
Smokescreen
A—10020Normal
Lv 19
Smokescreen
A—10020Normal
Lv 24
Leer
——10030Normal
Lv 30
Water Gun
D6010025Water
Lv 41
Agility
A——30Psychic
Lv 52
Hydro Pump
B180805Water

TM Moves

All 17 TMs are obtainable before the Elite Four

TM
TM34D——10Normal
TM14
BlizzardPokémon Mansionbadge 6
B110905Ice
TM11C9710020Water
TM32
Double TeamSafari Zonebadge 3
———15Normal
TM10
Double-EdgeRocket Hideoutbadge 3
C12010015Normal
TM15
Hyper BeamRocket Game Cornerbadge 3
A150905Normal
TM13C9510010Ice
TM31
MimicSaffron Citybadge 5
D——10Normal
TM20
RageRoute 15badge 3
D2010020Normal
TM44
RestS.S. Annebadge 2
A——10Psychic
TM40
Skull BashSafari Zonebadge 4
C10010010Normal
TM50
SubstituteRocket Game Cornerbadge 3
C——10Normal
HM03
SurfSafari Zonebadge 4
B14210015Water
TM39
SwiftRoute 12 Gate 2Fbadge 2
D60—20Normal
TM09
Take DownSilph Co.badge 3
D908520Normal
TM06C—9010Poison
TM12
Water GunMt. Moonbadge 1
D6010025Water

Tutor Moves

Seadra can't learn any Tutor moves

Base Stats

Base Stats
Above
HP55
D
Attack65
C
Defense95
B
Sp. Atk95
B
Sp. Def95
B
Speed85
C
Total490
Details
Catch Rate
Challenging75 / 255
Growth Rate
Medium Fast1M XP
Height1.2 m
Weight25.0 kg
Base XP154
EV Yield
HPAtkDef+1SpA+1SpDSpe
Defense training target
Pokedex Entry

Capable of swimming backwards by rapidly flapping its wing-like pectoral fins and stout tail.

Pokemon Red / Pokemon Blue

Seadra Red & Blue Guide

  • In Red & Blue, Seadra has 490 BST, so weigh it against what your team already covers.

  • In Red & Blue, use Seadra as a balanced. Special attacks are the main output. Speed is middling, Surf is the primary attack.

Game Availability

Seadra has been part of the series since Red & Blue, appearing in 20 titles across all 9 generations. As a Gen 1 original, it's one of the most consistently available Pokemon in the franchise.

Explore

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