You've also placed a whole host of guppy predators in the test pool: 30 rivulus, 30 acara, and 30 cichlids. Cichlids, generally only found in the largest, deepest stretches of guppy streams ...

The "flashier" a male guppy is, the more likely a female guppy ... On the most basic level, the male with the biggest, brightest tail spot announces most loudly, "Hey, I'm over here" to any ...

By 1965, Aero Spacelines had a revised version, known as the Super Guppy. “The biggest difference was that in the original Pregnant Guppy, the tail was disconnected from the aircraft in order to ...