The 20-gallon Aqueon Aquarium Starter Kit ($122, originally $147) is one of the best options for new fish owners, especially because it includes a filter, water thermometer, and fish food sample!

For Lewis, 42, the path to ownership of The Fish Tank started in his early 20s, when a marine biology class at Daytona State College inspired him to become serious about fish, installing 30-gallon ...