If you want a range of different species of fish in your aquarium here are 18 to get started with. From garden ponds filled with Koi Carp to the humble goldfish bowl (although goldfish are far happier ...

Australia's tropical fish are heading south into cooler waters. These fish are not just visiting. They are settling into the milder "temperate" reefs that used to be too cold for them. As they do, ...

These larger species aren’t just about looks. They need space, care, and a bit of understanding from the person keeping them.

An international team of scientists recently led a detailed study of eastern rainbowfish, Melanotaenia splendida splendida, a freshwater species that is popular in the aquarium trade. Eastern ...

It’s not only people that get woozy from heat, according to new research. If you’re living on a reef full of predators, that mental fog could be deadly. By Rebecca Dzombak Warmer seas could be making ...

When you think about climate change in our oceans, you may picture coral bleaching, melting sea ice, or extreme weather events. But beneath the ocean’s surface, another quiet shift is underway.