Staryu

Staryu is a fascinating Water-type Pokémon first introduced in Generation I, known for its distinctive star shape and glowing red core. Often found in large numbers along seashores, Staryu is a common sight near bodies of water, where it uses its five arms to swim gracefully. Its central core, referred to as its "gem," is not only a prominent feature but also the source of a mysterious red light that flashes at night, believed to be a form of communication or a display of its vitality. Staryu evolves into Starmie when exposed to a Water Stone, gaining psychic abilities and an even more complex, jewel-like core. In the games, Staryu is a versatile special attacker, and its evolution, Starmie, is a fan-favorite for its speed and wide movepool. Within the anime, Misty, one of Ash's first companions, famously owned a Staryu, showcasing its agility and water-based attacks, further cementing its place in popular culture as an iconic early-generation Pokémon. Its unique design, resembling a marine invertebrate, contributes to its charm and recognizability among Pokémon fans worldwide.