We challenged you to come up with the name of the sea that's off the coast of Queensland, Australia. It's where the Great Barrier Reef is. It's also where Sophie the Dog went missing and was feared drowned late last year.

The answer is the Coral Sea.

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And that cattle dog -- whose full name is Sophie Tucker -- fell overboard during a sailing trip. Sophie's owners, Jan and David Griffith, feared she had drowned.

The Griffiths searched the waters. But there was no sign of Sophie...so they gave up hope. But, Sophie herself did NOT give up hope. She swam five nautical miles to Saint Bee's Island.

The Griffiths had no idea of Sophie's whereabouts...or even that she was alive...until they were contacted by Australian park rangers.

“Yes we got a phone call last Sunday week and this cattle dog had shown up on the island at first it looked dreadful and now it looked good because they found it had been living on baby goats."

The rangers brought Sophie back to the mainland...for her reunion with her owners.

“There was this woolly dog, definitely a cattle dog and when she looked up we knew it was Sophie and we called her and she whimpered and she banged the cage almost floored us and she was so glad to see us.”

Jan Griffith says there wasn't a dry eye on the dock. Sophie's owner only wishes her pet could talk. What a shaggy dog story Sophie could tell.