Pokémon/Pokédex/Seaking

TM/HM

 * RB/Y/GS/C/RS/FL: Blizzard, Double Team, Hyper Beam, Rest, Surf, Toxic
 * RB/Y/C/RS/FL: Ice Beam
 * RB/Y/GS/C: Swift
 * GS/C/RS/FL: Attract, Frustration, Hidden Power, Protect, Rain Dance, Return, Waterfall
 * RB/Y: Bide, Bubblebeam, Double-Edge, Horn Drill, Mimic, Rage, Skull Bash, Substitute, Take Down, Water Gun
 * GS/C: Curse, Endure, Icy Wind, Sleep Talk, Snore, Swagger
 * RS/FL: Dive, Facade, Hail, Secret Power, Water Pulse

Evolution

 * GS/C/RS/FL: Haze, Hydro Pump, Psybeam
 * RS/FL: Mud Sport, Sleep Talk

Trading Cards

 * Jungle #46 - Seaking
 * Gym Heroes #55 - Misty's Seaking
 * Neo Revelation #37 - Seaking
 * Aquapolis #59 - Seaking
 * EX Ruby & Sapphire #21 - Seaking
 * EX Deoxys #24 - Seaking