They gather together on rocky shoals and sing together as a harmony. Their human-like voices can be misleading because they sound like a child lost at sea.
Selkid are a human-like Pokémon with a large, teardrop-shaped head, a streamlined body, and a tail resembling a dolphin's. They have a yellow ruff around their neck and yellow spots on their cheeks. They have dark blue arms and tiny fins for legs.
Selkid is a female-only species.
Selkid can sing songs which can confuse an enemy or put them to sleep.
Selkid live in the sea but congregate on rocky shores to sing together. They eat crustaceans, kelp, and small fish.
Selkid's body shape is very similar to that of Snivy.
Selkid is based on a selkie, a mythological creature that lives as a seal in water, but may shed its skin to take human form on land. Its singing ability is likely derived from the sirens of Greek mythology, beings whose enchanting songs would lure sailors to their doom upon the rocks.