A properly dressed male guppy, with its gaudy blue spots and brilliant splashes of orange, can't help but stand out. But for a fish that spends its life swimming among predators, it seems that ...

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 ...