If you're set on raising betta fish but are a new owner, the 1.2-gallon Freesea Betta Aquarium Fish Tank ($33, originally $37), with its removable filter and 5V power system will make your fish ...

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 ...

Most people who keep fish have a tank or two; perhaps they start with a five-gallon model and graduate to the 35- or 50-gallon version that doctors put in waiting rooms to keep patients calm.

Craig Atkins, a real estate developer in Newport Beach, Calif., hired Mr. Tiemens to design and install a 1,500-gallon tank in the living room of his house on Lido Isle, a man-made island off the ...