Terry Smith, project manager at Cache Valley Electric, said the electricity generated by an eel in a nearby tank causes the four strands of lights on the 5-foot tree to flash intermittently at the Sandy aquarium.
Officials at the aquarium said electric eels can discharge specialized cells called electrocytes simultaneously to create a 600-volt electric charge equal to about five times the power of a standard U.S. wall socket.
"Visitors can visually and audibly experience the power of our electric eel and get a real sense of how amazing this creature is," said Angie Hyde, director of public relations and marketing. "We thought we'd put a festive twist on it for the holidays which has been a huge hit with our members and visitors."
The eel-powered tree will be on display through Dec. 31, officials said.
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