Some species are showing up hundreds of kilometers beyond their usual home range. Many tropical fish arrive on temperate reefs during summer, and used to die over winter when the water grew colder.

Fishkeeping is a popular hobby enjoyed by over 12 million American households. An aquarium filled with colorful freshwater fish can add natural beauty to your home and help you learn more about marine ...

Add Yahoo as a preferred source to see more of our stories on Google. A destructive invasive fish species has been spotted in eastern Canadian waterways, according to The Chronicle Herald. The pond ...

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.