
N°0320 · Generation 3
Wailmer
It looks like a huge balloon when it swallows very large amounts of seawater. It devours a ton of food per day.
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Characteristics
- Height:
- 2.00
- Weight:
- 130.00
Base stats
Total: 400Combat strengths and weaknesses
Damage multiplier taken by Wailmer depending on the attacking move's type. ×2 and ×4 are the attacks to avoid.


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Detailed information
General overview of Wailmer
Wailmer is a Water-type Pokémon introduced in the third generation. Its English name is Wailmer and its Japanese name is ホエルコ. This Pokémon is immediately recognizable for its impressive size for a base-stage Pokémon and its appearance as a large blue ball floating on the surface of the sea. Wailmer is often associated with the beaches and maritime zones of the Hoenn region, where it can be encountered during sea encounters.
For players, Wailmer represents an accessible Water-type Pokémon fairly early in the game, with an excellent base HP pool. Its Defense is decent without being exceptional, but its ability to absorb damage makes it an interesting choice for endurance-oriented teams or for handling certain battles against physical attackers.
Type, base, and useful stats
Wailmer has only the Water type, which grants it useful resistances against Fire and Steel moves, while remaining vulnerable to Grass and Electric moves. Its base stat distribution is clearly oriented toward HP, which directly influences battle strategies and damage calculations.
Very high HP from the early levels
Decent but improvable Defense depending on IVs
Modest Attack and Special Attack
Low Speed, which requires anticipating counters
IVs play an important role in optimizing Wailmer, particularly in Defense and HP to maximize its role as a tank in battle.
Moves and level-up progression
As it levels up, Wailmer learns several effective Water moves for the early and mid-game. Water Pulse and Water Gun are often used for their consistency, while Scald provides an interesting burn chance in extended battles. Its access to Heavy Slam takes advantage of its high weight, which can catch certain opponents off guard.
Water Pulse for consistent damage
Scald for control via burn
Body Slam and Heavy Slam as physical options
Utility moves to vary sets
From a certain level, Wailmer becomes particularly resilient, which makes battles against faster but less enduring Pokémon easier to handle.
Capture, rate, and encounter locations
Wailmer's catch rate is reasonable, especially when it is weakened or under a status condition. It is generally encountered at sea or near beaches, sometimes via a rod depending on the version. Its large size does not reflect an excessive capture difficulty, making it a popular choice for quickly reinforcing a Water-type team.
In Hoenn, Wailmer appears frequently in maritime zones, allowing it to be caught at different levels depending on the player's progress.
Evolution and strategic interest
Wailmer evolves into Wailord, a Pokémon known for having one of the highest HP totals in the game. This evolution further reinforces its defensive role and allows it to be used as a wall in certain battle formats. To prepare for this evolution, it is advisable to optimize IVs and Nature from the moment of capture.
Strategically, Wailmer primarily serves as a solid foundation before evolution, useful for absorbing hits, wearing down opponents, and securing battles against ill-prepared offensive teams.
Trading cards and popularity
In the TCG, Wailmer is often depicted as a Water-type Pokémon with high HP, faithful to its concept in the video games. Its cards are appreciated by collectors for their massive artwork and their direct connection to Wailord. Certain editions highlight its marine environment and enhance its visual appeal.
Wailmer remains a Pokémon appreciated for its simplicity, its effectiveness, and its clear role — both for players and collectors alike.

