Seaking is a large, orange, fish-like Pokémon. It has billowing caudal and pectoral fins, all of which are white specked with black. However, its dorsal fin is pure white and rigid. It has round, dark eyes, prominent pink lips, small fangs, and a horn in the center of its forehead. Females have smaller horns than males. Seaking is a very powerful swimmer that is found in rivers and streams.