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 ...

Are you new to fish-keeping and planning to start an aquarium? Well, while keeping an aquarium at home needs efforts and time ...

These days, breeding show guppies is a dying hobby. Shubel cites the faltering economy as a limiting factor for hobbyists, but perhaps the largest obstacle to international guppy breeding is a recent ...

Leadership during cooperation runs in the family for tiny fish called Trinidadian guppies, new research shows. University of Exeter researchers studied leadership in guppies by selectively breeding ...

From our perspective, guppies lead simple lives—eating, reproducing, and, after a couple of years, dying. Apply a little evolutionary pressure, though, and they can evolve larger brains that make them ...

The guppies are getting a brand-new breeding setup, and it’s time to bring it to life. From setting up plants to introducing the first pair, every detail helps create the perfect space for baby fry.

Leadership during cooperation runs in the family for tiny fish called Trinidadian guppies, new research shows. Leadership during cooperation runs in the family for tiny fish called Trinidadian guppies ...

Families of fish tend to share similar reactions to stressful situations, new research shows. Families of fish tend to share similar reactions to stressful situations, new research shows. University ...