Frillish are jellyfish-like Pokémon, the males seeming to resemble a young prince, while the females a young princess. The males are blue, while the females are pink. Each have round heads with a crown-like tuft, the males having theirs surrounded by a triangular pattern and the females with a round pattern. Each also have five tentacle-like appendages, the male's being smooth while the female's are wavy. Each have oval eyes, the male's eyes having a blue sclera and red iris, with a higher, strait eyelash on each, and the female's eyes having a red sclera and blue iris, with a lower, curled eyelash on each; both have white pupils. Both male and female Frillish have a collar around their necks, the males having a wavy collar and the females having a more fluffy collar.