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 ...

Guppy fish can be one of the five most effective forms of dengue control, as these tiny fish can be placed in water vessels in and around homes, where they will eat the larvae of dengue-transmitting ...

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.

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The purchase of the first aquarium brings a lot of excitement. Choosing the first pet is not always easy because of the ...

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 ...

Spanish biologist Ignacio Paulin became fascinated by the behavior of these fish, in a project that could now disappear due to budget cuts by the Trump administration ...

Are you thinking of keeping fish as pets but don’t know where to start? Take a look at two of the most popular choices for beginners - Guppy fish and Swordtail fish. Here are the reasons why these ...

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 ...

Male guppies pay a high cost for their sexual harassment of female guppies – including much higher mortality rates – a new study from Macquarie University has found. Sexual harassment in guppies, or ...