In this article, I am going to give you a list of the best saltwater fishes for 20-, 30-, and 50-gallon tanks. This is a very peaceful and easy-to-keep fish for beginners. They highlight bright red, ...
Still, Zangroniz said if a person has pet fish and notices they're floating in the tank or swimming erratically, they can try to remove variables that draw out stress from the fish or seek medical ...