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UF-led study: Invasive amphibians, reptiles in Florida outnumber world
Date:9/15/2011

GAINESVILLE, Fla. Florida has the world's worst invasive amphibian and reptile problem, and a new 20-year study led by a University of Florida researcher verifies the pet trade as the No. 1 cause of the species' introductions.

From 1863 through 2010, 137 non-native amphibian and reptile species were introduced to Florida, with about 25 percent of those traced to one animal importer. The findings appear online today in Zootaxa.

"Most people in Florida don't realize when they see an animal if it's native or non-native and unfortunately, quite a few of them don't belong here and can cause harm," said lead author Kenneth Krysko, herpetology collection manager at the Florida Museum of Natural History on the UF campus. "No other area in the world has a problem like we do, and today's laws simply cannot be enforced to stop current trends."

Florida law prohibits the release of non-native species without a state permit, but offenders cannot be prosecuted unless they are caught in the act. To date, no one in Florida has been prosecuted for the establishment of a non-indigenous animal. Researchers urge lawmakers to create enforceable policies before more species reproduce and become established. The study names 56 established species: 43 lizards, five snakes, four turtles, three frogs and a caiman, a close relative of the American alligator.

"The invasion of lizards is pretty drastic considering we only have 16 native species," Krysko said. "Lizards can cause just as much damage as a python. They are quicker than snakes, can travel far, and are always moving around looking for the next meal."

Defined by the U.S. Department of Agriculture as organisms "whose introduction causes or is likely to cause economic or environmental harm or harm to human health," invasive species are a growing concern for residents and policymakers. Only three species were intercepted before reaching the wild and researchers documented 137 introducti
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Contact: Rob Robins
rhrobins@flmnh.ufl.edu
352-273-1957
University of Florida
Source:Eurekalert

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