At less than an inch long (snout to tail base), Sphaerodactylus ariasae is believed to be the world’s smallest lizard. It was discovered by two biologists in 2001 on Isla Beata, a tiny Caribbean island off the coast of the Dominican Republic. The lizard, which fits easily on a dime, is also believed to be one of the world’s smallest vertebrates.
Photo credit: S. Blair Hedges, Penn State University.
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