Bella Hartley

 Bella Hartley is the new girl who moves to town in series three after Emma left to travel the world with her family. When a mysterious water tentacle attacks the girls and captures Rikki, she catches sight of her tail. Although shocked at first, she quickly reveals to the girls that she is a mermaid as well and saves Rikki from the water tentacle. In the next morning, the girls and Lewis discuss her transformation and the water tentacle that attacked them, and the boy who saw it. The girls then ask Bella to join them, which she agrees. She has also been described as bringing something that the group has never had before.



h2o.wikia.com/wiki/Bella_Hartley

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