Scientists have long suspected that big brains come with an evolutionary price — but now they've published the first experimental evidence to support that suspicion, based on their efforts to breed ...

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 ...

In this video, I share the exciting moment when my guppies are breeding, showing early signs of pregnancy and natural breeding behavior. It’s a fun look into guppy care, breeding conditions, and what ...