Staryu

Staryu, the Star Shape Pokémon, is a Water-type Pokémon introduced in Generation I. It is known for its distinctive star-shaped body and the red gem, or core, in its center which is said to glow with a mystical light. This core is also its most vital organ; if it's damaged, Staryu can regenerate it, along with any other part of its body, incredibly quickly. Staryu evolves into Starmie when exposed to a Water Stone. In the games, Staryu is often found in aquatic environments, such as oceans and rivers, and is a popular choice for trainers seeking a fast and versatile Water-type Pokémon. It has been a recurring character in the Pokémon anime, most notably as one of Misty's signature Pokémon, showcasing its agility and various Water-type attacks. Its unique design and simple yet elegant form have made it a recognizable and beloved Pokémon throughout the franchise's history. Its ability to regenerate limbs quickly is a key aspect of its biology, highlighting its resilience in the wild.