A starfish was a type of aquatic animal from the planet Earth.
In 2381, when Ensign Beckett Mariner was affected by nitrous oxide surrounding Tamarian defrin root, she hallucinated that D'Vana Tendi was a starfish with butterfly wings. (LD: "Room for Growth")
In a deleted scene, Trip Tucker recalled luring Jonathan Archer to the green moray Waldo's hole by telling him that beautiful starfish were inside.