Staryu

Staryu (Japanese: ヒトデマン Hitodeman) is a -type Pokémon introduced in Generation I.

Physiology
Staryu is a Star Shape Pokémon. It is star shaped, as its name suggests. Its "arms" are brown. It seems to have some kind of crystal or gem for a core. the core is surrounded by a yellow or gold "barrier."

Special abilities
Staryu can have the ability Illuminate or the ability Natural Cure. Illuminate causes wild Pokémon to be encountered more frequently when Staryu is in the top of the party. Natural Cure cures Staryu of any status effects when switched out. It can emit radio waves. It has the unique ability to regenerate its body if it is torn. As long as the core remains, it can regenerate. In rare instances, two separate Staryu can be created.

Evolution
Staryu evolves into Starmie by use of a Water Stone.

In the anime
Misty owns a Staryu. She used it very frequently in matches.

Trivia

 * Staryu shares the same species with Cleffa, they're both known as the Star Shape Pokémon.

Name origins
Staryu's design seems to be based on a Starfish.

Etymology
Staryu's name is derived from the words star and yu, which may be a misspelling of the word "you".