The Chesapeake Bay watershed is home to wild goldfish — and that is not good news.

Goldfish have been lied about more than any other pet. No, they don’t have three-second memories, and no, they can’t live forever in a bowl the size of a latte. These fish are drama queens ...

Biologists are raising concerns about giant goldfish. Here's how these strange animals impact the environment in ways you never thought about.

You read that right. These goldfish learned to drive through a study that sought to test fish intelligence. Researchers say the fish are smarter than they seem.

Learn what the scientific name of fish is, their types, and habitats. This guide explains how to identify fish by their ...

Goldfish are one of the most popular pets worldwide, known for their vibrant colors and calming presence in aquariums. While they may seem like simple creatures, goldfish are fascinating animals ...

It blocks sunlight that aquatic plants — which form an important habitat for small fish — need for photosynthesis. Goldfish feed so vigorously that they can uproot plant life.

More than 500 river miles have been designated critical habitat for a threatened fish species once found in Louisiana and Mississippi but now known only in part of its historic Mississippi range.