In a simulation or in the wild, where predators are plentiful, male guppies become increasingly drab over generations, pushed by predation pressure toward greater camouflage. So if camouflage ...

So, an agreement was reached for these two Super Guppies to join the European planemaker. The first plane, registered as F-BTGV, was handed over in November 1971, followed by F-BPPA in August 1973.

For over a decade, giving children ages 2-7 underwater discoveries, Bubble Guppies is still relying on six guppies, going on seven. Molly, Gil, Goby, Deema, Oona, Nonny, and their new friend Zooli ...

When evolutionary biologist John Endler began studying Trinidad's wild guppies in the 1970s, he was struck by the wide variation among guppies from different streams, even among guppies living in ...