When sick, Nile tilapia seek warmer water. That behavioral fever triggers a specialized immune response, hinting the connection evolved long ago.

In the fall of 2018, officials with the Alaska Department of Fish and Game and their partners celebrated what they thought was a milestone: an end to the infestation of invasive northern pike in the ...

Crossing the borders of Namibia, Botswana, Zambia and Zimbabwe, land and water safaris follow the flow of the Zambezi to Lake ...