Some of them involve stingrays. That incident prompted The Winnipeg Humane Society and concerned citizens to call for the closure of the exhibit. The zoo chose to re-open it instead. Stingray Beach is the marine equivalent of a petting zoo — except the animals are wild.
The rays are kept in shallow pools so visitors can touch and, for an additional fee, feed them. The pointy barbs — a natural defensive mechanism of rays — are removed to render the animals harmless to humans. In , 19 stingrays at that zoo died when the water temperature spiked. In , 41 of 43 Cownose rays died in a touch tank at Calgary Zoo. Search WTTW:. Thanks to our sponsors:. Museum Campus. Shedd Aquarium. Chicago Museums. Related Stories. Watch All Video Kids Video. At the conclusion of the study, led by Columbus Zoo and Aquarium staff veterinarian Jimmy Johnson, researchers found the rays living in the touch tank have similar vitals to the rays living in the off-exhibit tank, aside from slight differences in heart rate, blood lactate levels and low-density lipoproteins.
Click here to get the cutest pet news and photos delivered directly to your inbox. During this study, the aquarium also noticed a ray behavior that seems to suggest that the animals enjoy contact, often spotting the rays gliding over to interact with human by choice, especially when back rubs were involved.
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