Scientists in Australia believe they've caught the world's smallest and lightest fish. The Stout Infantfish averages 7 millimeters (less than 0.3 inches) in length and weighs just one milligram. Originally discovered in 1979, this transparent microscopic fish lives for only two months and does not grow fins, teeth or scales. View photos and read more about it here(1).
Photo: AAP Image/Paul Miller