Wailmer resembles a large spherical whale with no tail. It has a dark blue topside and a tan underbelly with groves. It has two fins that have finger-like appendages, baleen plates that resemble teeth and blowholes on the tops of their heads.
Gender differences
None.
Special abilities
Wailmer can fill itself with water and turn itself into a bouncy ball. The more water it sucks in, the bouncier it becomes.
Behavior
They usually frolic in the ocean waves, breaching and eating. They are known to be very playful Pokémon.
Habitat
They live in the ocean, but occasionally can bounce onto the shoreline.
A Wailmer was befriended by Robin, a man who was living on an uncharted island, in Island Time. The Ball Whale Pokémon evolved into a Wailord in order to transport Robin and Ash and co. to a ship heading to Ever Grande City, though Robin later decided that he wanted to go back to the island.
In DP109, Ash assisted a Wailmer that was trapped in the sewers in rejoining its friends in the ocean. It later evolved into a Wailord in the same episode.
Pokémon Channel: On the beach, you can fish for Pokémon with the fishing rod and bait provided. Wailmer is uncommon, but if you reel Wailmer to the shore, you can see the tremendous size difference between Wailmer and Pikachu.
Pokédex entries
This Pokémon was unavailable prior to Generation III.
Wailmer's nostrils are located above its eyes. This playful Pokémon loves to startle people by forcefully snorting out seawater it stores inside its body out of its nostrils.
Wailmer can store water inside its body to transform itself into a ball for bouncing on the ground. By filling itself up with more water, this Pokémon can elevate the height of its bounces.
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Wailmer is based on a whale with aspects of a beach ball, similarly to Azumarill.
Name origin
Wailmer's name is based on whale. Wail may also refer to the sounds this Pokémon may create or refer to that whales sing or in this case, wail. Its Japanese name is literally 吠える子, bellowing child, but hoeru is similar in sound to the English word whale, making the meaning of its name whale child. Mer may come from the French word for sea.
This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.