In 2370, when the Phoenix was hijacked, it was taken to Eco. While Benjamin Sisko and Jadzia Dax attempted to regain the tanker using subterfuge, the Ecocids attempted to blackmail them. It threatened to expose them if it did not get a piece of the action. Odo was soon sent to kidnap the Ecocid queen. Dax promised to return the queen if the Ecocids promised to stay out of their affairs; they agreed. However, the Ecocids did not live up to their deal as they tried to dispatch Dax using false information and later exposed her. Even so, the queen was returned when Sisko, Odo, and Dax left Eco. (DS9 novel: Antimatter)