Appearance
Seaking is a mostly orange-and-white fish with pink lips, two small fangs, and a cream horn, shorter on females. Its paired tail fins look like butterfly wings.

#119
Goldfish Pokémon
« Using its horn, it bores holes in riverbed boulders, making nests to prevent its eggs from washing away. »
Seaking is a Water-type Pokémon, No. 119 in the National Pokédex, introduced in Generation 1 (Kanto region).
Seaking is a mostly orange-and-white fish with pink lips, two small fangs, and a cream horn, shorter on females. Its paired tail fins look like butterfly wings.
In autumn it climbs waterfalls and rivers. Males dance to be chosen, bore the nest into rock, and the pair defends it for a month. It evolves from Goldeen.
In a Gym battle, Juan's Seaking sends Pikachu's Electric attacks back, defeats Ash's Snorunt, then falls to Pikachu and Corphish.
Seaking blends sea and king, with a play on seeking. It suggests the oranda goldfish and the sockeye salmon, which flushes red while climbing waterfalls.