The article discusses the second part of the story about a mermaid at the Ohio fish rescue. The mermaid, known as Thalassa, is a performer who educates visitors about marine life and the importance of conservation. Thalassa interacts with visitors, telling them about the various species of fish at the rescue center. The article also mentions the positive impact Thalassa has had on visitors, as many are inspired to learn more about marine life and consider ways to protect the oceans.