An aggressive fish will fight off other fish that are perceived to be a threat during feeding sessions. To minimize fighting over food, make sure you spread food evenly throughout the aquarium.

Both fish can be territorial and show signs of aggressive behavior like fin nipping and chasing. Caring for blue acara is ...

The aquatic world is full of a variety of species called sharks. Most people are familiar with the large, oceanic predators that you can find in waters throughout the world. But fewer people are ...