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 ...

To see how harassment affects the female social bonds, the researchers put each of three pairs of small guppies (a random mix of females and small males) into a transparent cylinder, with all ...

‘If you are surrounded by ugly friends, you look better’ London: When it comes to mating, guppies treasure their ugly friends — because they look so good by comparison. An article published on ...

The guppy has long been a workhorse for biologists like me who are interested in understanding the mating decisions that animals make and the evolutionary forces behind those decisions. Male guppies ...