Cultivating a saltwater fish tank is a bit like making a souffle — impressive if you pull it off, but delicate and easy to screw up. Still, it's easy to see why this hobby remains popular. At its best ...

Which 10-gallon aquarium is best? 10-gallon aquariums are a great pick for anyone looking for a medium-sized community or coral tank. 10 gallons may seem like a lot, but it’s actually the perfect size ...