
Is Seadra Good in Brilliant Diamond & Shining Pearl Playthrough?
Trade with Dragon Scale for Kingdra. Without the trade, Seadra is just a middling Water-type that loses out to Gyarados, Gastrodon, and Floatzel.
Horsea resists most of Roark's coverage and hits back hard.
Horsea trades roughly evenly with Gardenia's team.
Horsea trades roughly evenly with Maylene's team.
Crasher Wake's typing presses Horsea's defenses.
Fantina's team hits Horsea's weaknesses hard.
Horsea has the type edge here and should clean up Byron's team.
Horsea trades roughly evenly with Candice's team.
Volkner's team hits Horsea's weaknesses hard.
Kingdra has the type edge here and should clean up Aaron's team.
Kingdra resists most of Bertha's coverage and hits back hard.
Kingdra has the type edge here and should clean up Flint's team.
Kingdra trades roughly evenly with Lucian's team.
Kingdra trades roughly evenly with Cynthia's team.
Catch Seadra on Route 226 (Super Rod fishing, Lv 30-55, common).
Most players are ready to trade before reaching Aaron.
How to Get Seadra in Brilliant Diamond & Shining Pearl
Seadra's 3-stage chain starts with Horsea, which appears at solid rates in the locations below. Level through 3 stages while you find a trade partner. Everything except the trade step is solo.
Where To Catch Seadra in BDSP
Horsea is your first catch on the way to Seadra. You'll find walking and fishing encounters from Lv. 10-63 across 10 total spots in the chain.
Seadra Weakness
Electric and Grass moves hit Seadra for super-effective damage. It resists 4 types, giving it decent defensive coverage. Seadra's physical bulk (base 95 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.
| Damage | Types |
|---|---|
| 2x (Weak) | Electric, Grass |
| 0.5x (Resist) | Fire, Water, Ice, Steel |
What is Seadra Weak Against
GoodBest Pokemon Against Seadra
Roserade GrassPoison | B | |
Vileplume GrassPoison | C | |
Victreebel GrassPoison | C | |
Abomasnow GrassIce | C | |
Cacturne GrassDark | C | |
In Brilliant Diamond & Shining Pearl, Raikou can KO Seadra with Thunderbolt (180-212%).
Raikou Electric | B | |
Recommended Build AbilityPressure ItemLeftovers NatureTimid Moves
Damage vs Seadra View Raikou builds →Thunderbolt 2x180-212%KO Scald26-31% Aura Sphere53-63% | ||
Breloom GrassFighting | B | |
Recommended Build AbilityTechnician ItemFocus Sash NatureJolly Moves
Damage vs Seadra View Breloom builds →Bullet Seed 2x28-33% Mach Punch22-26% | ||
Seadra Evolutions
Seadra is partway through a three-stage line between Horsea and Kingdra. The chain involves a trade, so it's not a straightforward grind. So far, HP got the biggest boost (+25 from Horsea). The final form adds another 100 stats on top. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed with Seadra to get Horsea eggs easily using 30 partners from the Dragon and Water1 egg groups. Notable egg moves include Aurora Beam, Clear Smog, Disable and 6 more.
BDSP Seadra Best Moveset
95 Sp. Atk at 85 Speed with AbilitySniper boosting critical hit damage. Water TermStab gives the moveset fast special offense for a middle evolution. One evolution from Kingdra where Dragon typing and rain synergy complete the package.
Best Build
Seadra best EVs are HP and Speed
Bulky Support Moveset
- Toxic
- Dragon Pulse
- Liquidation
- Focus Energy
Recommended Teammates
Moves List
Without breeding, Seadra misses out on Aurora Beam and Clear Smog. That's 9 egg moves adding depth that the base kit lacks. STAB comes from Hydro Pump and Surf, with Dragon and Ice coverage and more rounding things out.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Base Stats
Its spines provide protection. Its fins and bones are prized as traditional medicine ingredients.
Seadra Brilliant Diamond & Shining Pearl Guide
In Brilliant Diamond & Shining Pearl, Seadra isn't fully evolved, so it's not built for competitive play. You'll want to evolve it into Kingdra to unlock its full potential. At 440 BST, it's a stepping stone rather than a team anchor.
No. Seadra only evolves into Kingdra through a real trade. There is no in-game alternative in Brilliant Diamond & Shining Pearl. Trade needs a Game Boy Advance link cable and a second GBA running another Gen 3 game (FireRed, LeafGreen, Ruby, Sapphire, or Emerald). Trade Seadra to a friend, then have them trade it back. The 2026 Switch re-release supports the same trade through local wireless on the Pokemon Center 2F Wireless Club, with no cables required. The Dragon Scale must be held during the trade. Bring one over from a sibling Gen 3 game if needed.
Poison Point has a 30% chance of poisoning attacking Pokémon on contact. That's the one you want on Seadra. Damp is the hidden ability. Niche, but it has its uses. Sniper works too if your team needs something different.
In Brilliant Diamond & Shining Pearl, Seadra fills the balanced role. It's a mixed attacker with base 65 Attack and 95 Sp. Atk. Base 85 Speed is workable. Faster than some, slower than many.
Game Availability
Seadra has been part of the series since Red & Blue, appearing in 20 titles across all 10 generations. As a Gen 1 original, it's one of the most consistently available Pokemon in the franchise.
Click a game to view version-specific details
- Gen 1RBDebut

Red & Blue - Gen 1Y
Yellow - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG

FireRed & LeafGreen - Gen 4DP

Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7SM

Sun & Moon - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves