Only two fish survived an accidental poisoning when aquarium workers added medicine to treat parasites in the water in three major exhibits at the Texas State Aquarium Tuesday night. (Source: KIIItv.com)

The nonprofit aquarium did not say which two animals survived.

Workers said they tested the medicine on a fish in a smaller tank and found no problem.

The medicine was needed because a few animals had died from the parasite in recent weeks, an acquarium spokesman said.

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“Aquarium exhibits impacted include Islands of Steel, Flower Gardens, and Lionfish,” according to a statement released by the Aquarium. “Fortunately, Living Shores, Nearshore, and Floating Phantoms, as well as a number of smaller exhibits, were not affected. None of the outdoor exhibits such as Tortuga Cay, Stingray Lagoon, or Dolphin Bay were affected.”

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Julian Conley listens during opening statements in his trial at Fulton County Superior Court in Atlanta on Wednesday, Sept. 17, 2025. The 25-year-old is accused of fatally shooting 8-year-old Secoriea Turner in July 2020. (Abbey Cutrer/AJC)

Credit: abbey.cutrer@ajc.com