Meet the world’s biggest feeder guppy a jaw-dropping giant that steals the spotlight during this exciting feeding session.

Convincing a predator to attack you might seem like a bad idea, but Trinidadian guppies have a whole bag of evolutionary ...

Cardinal tetras are famous for their glowing blue and bright red stripes that run across their bodies. People often mix them up with neon tetras, but cardinal tetras have a bright red line that goes ...

MPs have joined a campaign calling for 15 penguins "trapped in a basement without sunlight or fresh air" in central London to be released. A group of 75 politicians has described their captivity at ...