Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion.

Guppies can be fooled by optical illusions into believing objects are smaller or larger than they really are. This suggests they might not always make the best choices in their natural environment.

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

Scientists tested two species against each other to see which was more likely to fall for an optical illusion.

A new study reveals guppies are easily tricked by optical illusions, while ring doves see clearly, highlighting differences ...

A new study has shown that some fish have more complex personalities than was previously thought. Scientists at the University of Exeter studying the behavior of Trinidadian guppies discovered that ...

NEWPORT NEWS, VA.? There’s no coat to brush and fluff. No nails to clip, or teeth to brush. Forget obedience training because they don’t respond to verbal commands. A Half Black AOC male guppy is ...

When Robert Heathcote dips his head into the rivers of Trinidad, he’ll often see little black dots moving through the water, even when it’s murky. Those dots are the eyes of small, inch-long fish ...

Larvae-eating guppy fish can help combat the spread of dengue, a mosquito-borne illness giving rise to hundreds of thousands of severe cases including 20,000 deaths worldwide every year. Larvae-eating ...