Mermaid Avatar: Feed Sushi to a Mermaid pet.

The Mermaid Costume is a retired costume that was first released in May 2005 Account Upgrades and was revamped in February 2018. Putting this costume on certain marapets will make it turn into a mermaid! Mermaid pets take on cool colors like blue and purple with tinges of warm colors such as mauve and coral. They also have pearl necklaces with seashells (around the neck only) and aquatic features such as having scales and their arms as fins.

Mermaid Pets


  • The CoroKey Magazine staff leaked the images on the News page February 24th, 2018, a day before the Account Upgrade's official re-release.
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