The GUPPY boats were World War II veteran diesel submarines that were selected for four specific upgrades:-Increased battery capacity-Streamlined submarine structures-Addition of snorkels-Improved ...

Not only have guppy numbers more than doubled under the relatively low level of predation, but also, after only four guppy generations, the percentages of drab males to bright males have evened ...

ORNAMENTAL fish breeder, Thum Chee Seng, 50, won the Pearl of Orient Cup challenge trophy during the International Guppy Competition in Penang. His pair of guppies, commonly known as longkang ...

We've seen in our simulations that the more brightly colored a male guppy is, the more likely he will be seen -- and eaten -- by a predator. In a simulation or in the wild, where predators are ...