Scientists have developed a model that predicts six tropical fish species will expand into northern parts of Japan as sea temperatures rise. Scientists have developed a model that predicts six ...

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 ...

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.

If you have room for an aquarium big enough then these fish make spectacular and fascinating pets.

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, ...