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| - A video shared to TikTok authentically showed a marine iguana found only in the Galápagos Islands. There are five species of lizard associated with states bordering Lake Superior, none of which resembles the marine iguana.
A 59-second video shared to TikTok in October 2024 and Instagram the following month claimed to show an unreleased video of a "whole pack" of iguanas said to have been recorded by scuba divers in Lake Superior in Michigan.
In the video, a man says the supposed lizard lives "super deep in the water" and "looks like a marine iguana." That's because the lizard shown is a marine iguana, a reptile found only in the Galápagos Islands.
A reverse image search revealed the same video, and many others like it, were posted to social media identifying the species as a marine iguana.
According to the Galápagos Conservation Trust, the marine iguana, scientific name Amblyrhynchus cristatus, is endemic to the Galápagos Islands and is the only sea-going lizard in the world. Adults are black for most of the year, as was the one in the TikTok video, but males change their coloring during mating season. Depending on their location, some may turn bright green and red or red and black.
According to the Iguana Specialist Group, there are 46 living species of iguanas, and one extinct. None of these have habitats near Lake Superior.
Made up of 13 major islands, the Galápagos Islands are part of Ecuador and located around the equator, west of the mainland of South America, according to the World Wildlife Foundation.
Lake Superior, on the other hand, is a North American body of water bordered by three U.S. states — Michigan, Minnesota and Wisconsin — as well as the Canadian province of Ontario.
The Wisconsin Department of Natural Resources reports that four lizard species live in the area: the common five-lined skink, prairie skink, six-lined racerunner and slender glass lizard. None of these lizards resembles the one shown in the video on social media.
Similarly, the Michigan Department of Natural Resource lists two species of those lizards, the five-lined skink and six-lined racerunner, as living in its borders.
Finally, the Minnesota Department of Natural Resources lists three of the same species, the common five-lined skink, prairie skink as six-lined racerunner, as the state's lizards.
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