These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

If your aquarium feels a little blah ... Killifish are some of the most vividly colored freshwater fish, though many species have short lifespans—sometimes only a year, especially the annual ...