Finished cycling a week ago. Just added some angel fish.... 55 Gallon Fish Aquarium - 74 results like Advance Aqua 55 Gallon Aquarium For Sale Searching for 55 Gallon Aquarium For Sale was never easier due to our time and cost saving search Aquarium Tank 55 Gallon - 58 results like Advance Aqua Acrylic Rectangle Aquarium 55 Gallon Black Ameriwood Gallon Aquarium Home About us Related Links Aquarium Stand Supplies 55 Gallon Fish Aquarium Stands A handsome wooden cabinet design for Clear-For-Life Rectangular Aquarium 55 Gallon Advance Aqua Marineland LED Aquarium Kit 55 Gallon Great kit for freshwater or saltwater tanks Ki Aquatic Fundamentals 55 Gallon Upright Aquarium Stand - Fish Tank Stand and Aquarium It depends on the type of fish you plan to keep You have mollies correct I would keep 2 or three trios 1 males 2 females is