More and more people are picking up freshwater aquariums to add a splash of colour, some calm vibes, and a bit of daily joy ...

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 ...

This video walks you through a full DIY build of a betta glo-fish aquarium, from the first pieces of equipment to the final glowing setup. You will see the layout, the lighting choices, and how each ...

Saltwater and freshwater fish tanks are enjoyable to have around the home. But is one better for beginner tank owners than the other?

The quarter-sized creatures briefly surfaced during a water-quality survey, offering a fleeting glimpse of a species that ...

The vaquita, found in the northern Gulf of California, is the most endangered marine mammal species in the world. Illegal fishing is to blame.

It's cute, almost pink, and about twice as long as a cigar, with flesh so translucent you can see its liver from the outside. And it is the deepest fish ever caught. Scientists today formally ...

These mysterious creatures undertake extraordinary journeys—a metamorphosis and migration so dramatic it rivals any in nature ...

Fishing pressure in the Mediterranean and Black Sea has fallen sharply over the past decade, but just over half of assessed fish populations remain overfished and climate threats are mounting, the U.N ...

The way Botrynema jellyfish is distributed across the ocean may reveal a previously unknown biogeographic barrier in the ...

It's hard to find a more superb bird than the superb bird of paradise. Males have an elaborate courtship ritual during which they spread out their black cape until only a bright blue breast plate and ...