In other aquatic animal news, tragedy struck the Calgary Zoo on Sunday when 34 healthy Cownose Stingrays died for reasons that are yet to be known. The stingrays were a part of an interactive display and went from healthy to dead in a single day. The water in the rays' tank was tested and seemed normal, and now necropsies will be conducted to determine what happened to them."An early investigation into the deaths indicates possible toxins in the water rather than a problem with the food or the water itself, said Herron.
"There are a number of household chemicals that could do this," said Herron. "You don't want to speculate, but people do strange things sometimes.""
If someone purposely poisoned these rays... Even the possibility is upsetting.
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