World-Traveling Sea Turtle Comes Home

Johnny Vasco de Gama, a stranded sea turtle, makes an incredible journey home. — Kemp's ridley sea turtles prefer warm waters in the Gulf of Mexico and the Atlantic Ocean. So how did one end up in the chilly Netherlands? Marine biologists think the turtle became "cold-stunned" by cold water and drifted thousands of miles. Cold-stunning can shut down turtles' bodily functions and even kill them, according to Mote Marine Lab, but fortunately, Johnny Vasco de Gama was rescued. Officials at the Rotterdam Zoo stabilized the turtle and sent him to the aquarium Oceanario de Lisboa in Portugal. The aquarium, in turn, transferred the turtle to Zoomarine, a marine-based theme park in Portugal, for more rehab.

(Image credit: Mote Marine Laboratory)

When Johnny Vasco de Gama showed up in the Netherlands three years ago, he was a nameless, frigid sea turtle with little chance of surviving much longer in the icy waters of the North Sea. But now, this accidental world traveler is back in the United States and will soon be released into the warm waters his species calls home.

The turtle, dubbed "Johnny" by rescuers in the Netherlands, had "Vasco de Gama" appended to his name in Portugal, where marine biologists at the ocean theme park Zoomarine nursed him back to health. The turtle is a Kemp's ridley sea turtle, a critically endangered species and the rarest of all sea turtles. For that reason, an international team of conservationists has worked hard to bring Johnny back to the waters of the Gulf of Mexico. On Tuesday (Nov. 29), Johnny arrived at Mote Marine Laboratory in Sarasota, Fla., where staff checked him out and placed him in a holding tank in preparation to release him into the Gulf. [See pictures of Johnny's trip]

No one knows exactly how Johnny made it all the way to the Netherlands, thousands of miles from his home territory in the Gulf of Mexico and along the eastern coast of the U.S. According to Mote Marine Lab, the turtle likely got caught in cold currents and become "cold-stunned," a condition that can shut down turtles' organs and even kill the animals. In that state, Johnny may have drifted hundreds or thousands of miles before being found in November 2008.

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Stephanie Pappas is a contributing writer for Live Science, covering topics ranging from geoscience to archaeology to the human brain and behavior. She was previously a senior writer for Live Science but is now a freelancer based in Denver, Colorado, and regularly contributes to Scientific American and The Monitor, the monthly magazine of the American Psychological Association. Stephanie received a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science communication from the University of California, Santa Cruz.