It has a long snout and a number of spikes on its head, to the sides and on the top. Its torso is covered with rough, cream-colored scales. Seadra's pectoral fins have sharp, pointed, cream-colored tips from which it exudes venom. Seadra also have a large tail which is generally coiled up. Seadra's quills can render its victim unconscious.
After the female Seadra gives birth, the male Seadra will take care of the young and its nest. It will attack those who venture too near to its children. Seadra has a violent temper.
Seadra can have the ability Poison Point or the ability Sniper. Poison Point has a 30% chance of poisoning a foe who physically attacks Seadra. Sniper increases the power of critical hits. Its spines provide protection. Its fins and bones are prized as traditional medicine ingredients. It is extremely accurate in shooting water from its mouth.
In the anime
Ash Ketchum battled Mandi's Seadra in his first battle in the Indigo League. Cissy used a Seadra while Ash was participating in her target test in Fit to be Tide. A Seadra was one of the Pokémon that were captured and cloned by Mewtwo in Mewtwo Strikes Back. The Seadra clone is seen again in Mewtwo Returns. Juan, the leader of the Sootopolis City Gym, also owns a Seadra.
In the manga
In the Pokémon Adventures manga, Silver had a Seadra as a part of his team, although it was not shown. During the events of Volume 9, Silver secretly sends Seadra to Gold via trade for his Poliwhirl, triggering Seadra's evolution into Kingdra.
|Red/Blue||Seafoam Islands (Red only), Route 23, Cerulean Cave (Super Rod required)||Uncommon|
|Yellow||Routes 12 and 13||Common|
|FireRed/LeafGreen||Routes 19, 20, 21, the Sevii Islands||Rare|
|Diamond/Pearl||Route 226 (Super Rod)||Uncommon|
|Platinum||Route 226 (Super Rod)||Uncommon|
|HeartGold/SoulSilver||Whirl Islands, Seafoam Islands (Super Rod)||Common|
|Black/White||Routes 17 and 18, P2 Laboratory||Common|
- Seadra is the only non-Poison Point. -type Pokémon to have the ability
- Seadra, Cascoon, Vigoroth and Swadloon are the only Pokémon who lose their ability when they first evolve, but regain it back when evolving again.
- Despite being the Dragon Pokémon Species, it isn't a Horsea. It's evolution, Kingdra is part Dragon-type however. -type Pokémon along with
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