A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

At the bottom of the world’s trenches, there’s a fish that shouldn’t exist. Here’s how it earned the title of the ...

Instead of displaying your aquarium tank out in the open in your home, consider building a space for it in your coat closet.

In this guide, learn how to catch the El Gran Maja in Fish It, including the ways to unlock the fish, and what rods and ...

Ana Vaz was a fish biologist at NOAA’s Southeast Fisheries Science Center. She has a Ph.D. in oceanography from the ...

Cleaning a fish tank is a delicate process. Discover how to change water without throwing a tank's ecosystem into disarray.