Mollies. Mollies are small fish with peaceful natures that can grow to be 3 - 4 inches long. It’s best to keep them in a tank that holds at least 20 gallons of warm water kept at a pH of 7.0 ...

Best 10-Gallon Tank: Give your betta fish more room to swim and explore with this 10-gallon oasis. The Marina Aquarium 10-Gallon Kit includes a solid glass tank with a built-in light source, a ...