Rainbow fish behave like matadors by darting away from their predators at the last moment to avoid being eaten, a new study reveals. The tiny fish, also known as a Trinidadian guppy, spans less than ...

Guppies are beginner-friendly, low-maintenance fish that thrive in a 10-gallon tank, with a peaceful temperament and omnivorous diet. Males are smaller with vibrant colors, while females are larger ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. The guppy is one of the most popular home aquarium fish. The male of the species, diminutive at ...