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At Petco, we have a wide selection of 11 to 19 gallon fish tanks. Our range of 15 gallon aquariums offers plenty of stocking options without eating up too much space or budget. They’re roomy enough to accommodate a small variety of colorful, compatible freshwater fish, like dwarf cichlids or tetras. For small spaces, you can choose between a classic 15 gallon aquarium or a compact 15 gallon cube aquarium for your tabletop or desk.
Reserve at least a gallon of tank space for each inch of fully grown fish you’d like to stock. Consult a Pet Care Center associate to confirm the appropriate number and type of fish for your aquarium.
Standard 15 gallon tanks generally measure around 24” L x 12” H x 13” W, but dimensions can vary a lot, depending on model and style. Always check the dimensions specified by the manufacturer on the product page to confirm that the aquarium will fit in the space you’ve planned.
A filled 15 gallon tank weighs more than 100 pounds. Depending on how much gravel and décor you add, your aquarium could easily weigh 150 pounds. Always check to make sure your floor will support the weight before you invest in a new tank and be sure to secure it on a stand built specifically for that purpose.
A 15 gallon tank is perfect for most small freshwater species, including mollies, tetra and cichlids. If you’re not sure whether a species will thrive in your aquarium, ask a Pet Care Center aquatic specialist for confirmation.
11 to 19 Gallon Fish Tanks
Aquarium Kits 11 to 19 Gallons
20 to 39 Gallon Fish Tanks
Up to 10 Gallon Fish Tanks
40 Gallons & Up Fish Tanks
Aquarium Stands Up To 19 Gallons
6 Gallon Fish Tanks
Aquarium Kits 20 to 39 Gallons
8 Gallon Aquariums
4 Gallon Fish Tanks
10 Gallon Fish Tank
Aquarium Stands 20 to 39 Gallons
Aquarium Kits Up to 10 Gallons
20 Gallon Fish Tank Decorations
Aquarium Kits 40 to 54 Gallons
Best Fish Tanks
Aquarium Kits 55 Gallons and Up
10 Gallon Fish Aquarium Stand
5 Gallon Glass Aquariums
Best 5 Gallon Fish Tank
Imagitarium Aquariums, Tanks & Bowls
Penn Plax Aquariums, Tanks & Bowls
Aqueon Aquariums, Tanks & Bowls
Imagitarium Betta Fish Tanks
Imagitarium Saltwater Aquariums, Tanks & Kits
Lifegard Aquatics Aquariums, Tanks & Bowls
Aquatic Fundamentals Saltwater Aquariums, Tanks & Kits
Aqueon Turtle Tanks, Aquariums & Terrariums
Fluval Aquariums, Tanks & Bowls
JBJ Aquariums, Tanks & Bowls
Aqueon Saltwater Aquariums, Tanks & Kits
Imagitarium Freshwater Fish
Ollie & Hutch Aquariums, Tanks & Bowls
Imagitarium Aquariums, Kits & Stands
Aquatic Fundamentals Aquariums, Kits & Stands
Aquatic Fundamentals Saltwater Fish Shop
Imagitarium Aquarium Stands & Cabinets
Waterbox Aquariums, Tanks & Bowls
Penn Plax Aquariums, Kits & Stands
Aquatic Fundamentals Aquarium Stands & Cabinets
My Goldfish are usually happy cause they have a 120 gallon tank I have 10 Goldfish and they seem scared of something like they swim to one corner wait a bit then swim as fast as they can to the other I mean it’s raining but my White. Loads and Guppies are fine PLEASE HELP
What type of fish can I keep with my adult male betta fish, he is in a 3 gallon tank.
I have a fancy bearded dragon that is almost one now. When I first purchased him we got a 10 gal tank and he seems to be getting bigger. Do you think if I purchase a 40 gal tank he’ll be set for a year or two? Thank you.
I was having 6 fishes in which 2 were small silver gold fishes,2 Angle fishes and 2 gold fishes. The both silver gold fishes died as well as one angle fish. I don't know why they all keep dying as I have provided them with good water, filter,and food.
How many snails can I have in a 55 gallon fish tank?
What size crate should I purchase for an adult German Shepherd I am planning to adopt?
I have 2 Mystery Snails and a betta in a 3.5G tank. Tank is filtered and has a heater. One snail has not grown at all while the other has nearly doubled in size. He is lathargic and I rarely see him eat his food or even come out of the shell. His shell has turned to a dull dark brown colour and looks to be cracking a little bit. Does this sound like a water issue? Does he sound sick? What can I do to help him. In the last picture, he is the smaller snail in the front.
After using metronidazole 400mg×2 tablets in 75 litre aquarium tank, my two parrot fish has thread like some seeing near gills and genital area ? How to treat them ?
I just cleaned my Betta fishes tank I put the same stuff as usual and a couple hours later he started just sitting at the bottom of the tank with his fins clamped together and now he's just sitting at the top and like vibrating his fins then clamping them shut again and I've noticed he lost a lot of his color
I have a question about our betta fish. He seems to be hanging at the top of the tank, not moving much. We have a heater and the tank is at the right temp. He only started doing this the last couple of days. He isn't really eating or moving around. Just sitting high up at the top of the tank.
what is the average volume of a 14 lb dog's stomach?
My redeared aquaa trutle hardly open eyes for seconds then close them and inactive with bubbles, i change water but i cant take it to vet what to do please