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Mareanie is a starfish-like Pokémon with a purple stalk-like body and ten drooping tentacles that resembles hair. It has a blue and purple color scheme, as well as what appears to be a gloomy expression. It has three teeth and blue eyes with yellow sclera and pupils. Each tentacle has three spines, except the one above its face, which is shorter than the others and has only two. When Mareanie attacks, this tentacle may extend to the length of the others and gain a third spine. It also has an additional yellow spine on the top of its head.
Bruxish is a natural predator of Mareanie, which in turn is known to hunt and prey on Corsola. Mareanie's main tactic is to harass it until the Corsola sheds its horns. As seen in the anime, Mareanie attacks first by launching onto the prey's face with all of its ten tentacles, then releasing the poison through its spikes.
Mareanie, the Brutal Star Pokémon. A Poison and Water type. Their head spikes are poisonous and when they attack, they turn upside down and trap prey with their 10 legs.
Upon evolving into Toxapex, Mareanie has the greatest increase to a single base stat of any evolving Pokémon, with 90 added to its Defense and Special Defense.
Mareanie's evolution into Toxapex also has the greatest standard deviation of all Pokémon, with 45.72, meaning that the changes to its base stats on evolving are the most uneven of all Pokémon.
Origin
Mareanie appears to be based on a crown-of-thorns starfish, a venomous starfish which preys on coral polyps (similar to how Mareanie preys on Corsola).
Name origin
Mareanie may be a combination of marine and meanie.
Hidoide may be a combination of 酷い hidoi (cruel) and 海星 hitode (sea star).
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.