When Mareanie sees James' purple face after he gets poisoned by her, she has a strong affection on him, even blushing red. Also, she likes to grab his head using its tentacles.
During Professor Burnet and Professor Kukui’s wedding, Mareanie has been dreaming about marrying James as well.
Mareanie first appeared attacking James because she wanted to eat his Corsola-shaped helmet, but later felt disappointed when she found out that she was only a helmet. After Jessie, who was attacked by her tentacles, gave James a push, she poisoned him, causing him to look like another kind of her species. Thus she blushed and started to chase him, much to his dismay. However, she later helped Team Rocket and she was so strong that she managed to poison Ash's Rowlet.
|Spike Cannon||The Sun, the Scare, the Secret Lair!|
|Sludge Bomb||The Sun, the Scare, the Secret Lair!|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.
- Like Victreebel, Cacnea, Carnivine and Chimecho, Mareanie is the fourth Pokémon that shows affections for James.
- Mareanie is the first Water-type Pokémon that James officially keeps on his team.
- Mareanie is the second Pokémon James has owned that shows affection to him and is not a Grass-type. The first one being Chimecho which is a Psychic-type.
|Team Rocket's Pokémon|
|Jessie · James|