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, ...

Scientists are seeing tropical fish in Nova Scotia with more frequency, with their arrival prompting concerns about what their presence could mean for local species down the road.

Add Yahoo as a preferred source to see more of our stories on Google. It may be autumn in New England, but for Tim Silva and Danielle Orcutt the season has been decidedly tropical, and they've only ...

A saltwater aquarium is an exotic and striking addition to the home. But more than a striking piece of furniture, it’s a living habitat that is both enthralling and engaging thanks to the vibrant ...

Tropical fish are accidentally carried north to New England each summer by the Gulf Stream current. A network of institutions and citizen scientists called the Gulf Stream Orphan Project tracks these ...

Discover Florida’s only living barrier reef at Dry Tortugas National Park, where crystal-clear waters let you snorkel among tropical fish, sea turtles, and coral reefs.

Low oxygen and rising carbon dioxide in mangrove waters may shrink critical nursery habitat for young fish and threaten ...

Hawaii lawmakers and state managers are clashing over whether aquarium fish collecting should return to the Kona Coast or end ...