These fish are all really cool customers. From garden ponds filled with Koi Carp to the humble goldfish bowl (although, goldfish need far more space than a bowl can offer) –Britain is a nation of fish ...

Cold-water fish are losing their habitats in temperate lakes due to a climate change "squeeze," scientists have found. A new study published in the Proceedings of the National Academy of Sciences ...

When water temperatures get too hot, fish can become stressed or even die. In rivers, Atlantic salmon and other cold-water species sometimes escape the heat by flocking to cooler areas, which often ...

Few streams in Ohio keep their cool sufficiently throughout the summer to sustain cold-water fish. Cold Creek, a 5-mile, meandering run of clear water that starts from holes in the ground and flushes ...

In the midst of a heat wave in Nova Scotia, Canada, this July, humans sought out air conditioning and shelter in the shade. Fish in the Wrights River, meanwhile, converged on what patches of deeper, ...