This tank upgrade gets serious fast as massive new fish enter the 300-gallon aquarium. The moment they hit the water, the whole tank shifts—territories change, currents swirl and every resident reacts ...

You want to look at fish, go to the beach and jump in. Remember to hold your breath. But if fish-watching is your idea of relaxation and/or high-style decor, then you need an aquarium — the bigger the ...

Fish tanks are living ecosystems that are beautiful to look at and rewarding to maintain. The hobby can be an expensive one, though, so it's important to understand the requirements of the fish ...