Wailmer is a spherical whale Pokémon with no tail. It has a dark blue topside and a tan underbelly with grooves. It has two fins that have finger-like appendages, baleen plates that resemble teeth, and a blowhole on the top of its head. Wailmer stores water inside its body, which it expels through its nostrils to startle people. When storing water in its body, it can turn into a bouncing ball. The more water filling its body, the higher it can bounce. It becomes lethargic when it is dry. It eats tons of food a day. It lives in the sea, and can only live on land for a short amount of time. It occasionally bounces onto the beaches to play.
Major appearances
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, Ash and his friends to a ship heading to Ever Grande City, though Robin later decided that he wanted to go back to the island.
A Wailmer belonging to a Coordinator appeared in Pruning a Passel of Pals!, taking part in the Battle Stage of the Wallace Cup. It went up against Dawn's Buneary and lost.
In Leading a Stray!, Ash assisted a Wailmer that was trapped in the sewers in rejoining its family in the ocean. It later evolved into a Wailord in the same episode.
Two Poké Ride Wailmer appeared in Yo, Ho, Ho! Go, Popplio! which Professor Kukui, Kiawe and Sophocles used to travel around Melemele Island.
A Wailmer appeared in The Island Whisperer!, where it was attacked by a Bruxish's psychic powers and was also caused by Bruxish to be stuck between a rock formation in the sea.
Minor appearances
Wailmer's first appearance was a cameo in Pikachu's PikaBoo.
Ross used a Wailmer for the Tour de Alto Mare in Pokémon Heroes: Latios & Latias. Ross and Wailmer came in second while Misty and her Corsola came in first.
Wailmer's first anime appearance was in Johto Photo Finish.
Several Wailmer were swimming in the ocean in Hoenn Alone!.
A Wailmer appeared in the opening of Destiny Deoxys.
Several Wailmer also appeared in Clamperl of Wisdom.
Wailmer made a cameo in The Great Eight Fate during Juan's water show in Sootopolis City.
Multiple Wailmer also appeared in Pokémon Ranger and the Temple of the Sea.
Multiple Wailmer made a brief cameo in Giratina and the Sky Warrior.
A Wailmer was used by one of the students of Pokémon Summer Academy in the second leg of the Pokémon Triathlon in One Team, Two Team, Red Team, Blue Team!
A few Wailmer appeared in a cameo in Kalos, Where Dreams and Adventures Begin!.
Multiple Wailmer appeared in Diancie and the Cocoon of Destruction.
A Wailmer appeared in Alola to New Adventure!.
A Wailmer appeared in Yo, Ho, Ho! Go, Popplio!, during a fantasy.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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AG124
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Wailmer
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Ash's Pokédex
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Wailmer, the Ball Whale Pokémon. Wailmer loves to startle people by storing water inside its body, then expelling it through its nostrils.
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Episode
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Pokémon
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Source
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Entry
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DP109
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Wailmer
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Ash's Pokédex
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Wailmer, the Ball Whale Pokémon. It spouts water out of its nose and becomes lethargic when its body becomes dry.
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