Mermaids

"Smee: That voice, captain. What was it? Hook: The most dangerous creature in all the seas: a mermaid."

- Hook and William Smee

Mermaids are a humanoid species featured on ABC's Once Upon a Time. They are native to Enchanted Forest and Neverland, and first appear in the first episode of the third season.

Known Mermaids

 * Ariel
 * Snow White (briefly)
 * Ursula (formerly)

Trivia

 * -|On-Screen Notes=

On-Screen Notes

 * There is a merman's trident on display in Rumplestiltskin's castle.
 * According to Hook, mermaids are liars.
 * On Lily's billboard, there is a photograph of a merman's trident.
 * -|Production Notes=

Production Notes

 * The crowns worn by the mermaids in "The Heart of the Truest Believer" were made by Vancouver-based accessories designer Medicina Designs.

Appearances
Note: "Archive" denotes archive footage.


 * Mermaids are mentioned on Pan's map of Neverland in "Lost Girl" and "Quite a Common Fairy".
 * A mermaid is pictured on the poster in the Wizard's workroom in "It's Not Easy Being Green" and "Kansas".
 * Mermaid wall carvings appear in the captain's quarters aboard the Jolly Roger in "Good Form", Save Henry" and "Snow Drifts".