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, ...

You don’t need to have a huge tank to keep tropical fish, ...

Different breeds of tropical fish can have massively different lifespans, From garden ponds filled with Koi Carp to the humble goldfish bowl (although goldfish are far happier living in a larger tank) ...

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.