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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Peggy Harris (foreground) stocks the shelves at Sandy's IGA, which is the only grocery store in town, Tuesday, October 7, 2025, in Sparta. Hancock County has one of the highest rates of childhood food insecurity in the country. (Hyosub Shin/AJC)

Credit: Hyosub Shin/AJC