Coral first encountered this Pokémon when she stepped on its tail, making it angry. They ran and screamed at each other, eventually in front of a Great Tusk's den. The two battled against the Great Tusk and Coral began to admire it a bit through her teasing.
Coral's Scream Tail was caught by accident in the Area Zero crater when she threw an empty Poké Ball at it thinking it was a rock after
Coral's Glalie had used Self-Destruct during the Great Tusk battle, which caused everyone to be in a dazed state.