6 Best 3-gallon Glass Fish Tanks In Bowl, Cube & More Styles

Do you need a decorative tank and you’re searching for a perfect 3-gallon glass fish tank?

You’re not sure which shape to pick from the market?

Don’t worry we found the best 6 models and reviewed them for you. Keep on reading so you can check all details as well as pictures, and choose the model you like the most. For more shopping tips here is our guide at the end of this post.

6 Best 3-gallon Glass Fish Tanks

BEST OF BEST 3-GALLON GLASS FISH TANK

GloFish Betta Shadowbox Aquarium Kit

Attractive Design
This fish tank is definitely one of the most beautiful and functional models on the market, and if you’re looking for an attractive design, this is a perfect choice. The aquarium is made of durable materials and we are sure your fishes will enjoy in new habitat for a long time.

Seamless Tank
The aquarium comes in cube shape and it has a seamless and rimless design for a better view from all sides. At the bottom, there is a black stand so you can easily move this tank from side to side. The sturdy tank won’t break easily and it is impact-resistant.

Small Fishes
With a measurement of 11.31 x 11.31 x 11.13 inches, this 3-gallon glass fish tank can fit small and mini fish breeds like tetra, betta, or tropical ones. Add colorful plants and other decoration which will create a most amazing aquatic home for your lovely fishes.

Light Effects
For easier cleaning, this unique betta fish tank has a powerful filter that will keep the environment fresh and healthy. The most amazing part is definitely the LED lights. You can pick moonlight or sunlight mode with different colors. Place this 3-gallon glass aquarium on a stand or commode.

Buy On Amazon

BEST DECORATION 3-GALLON GLASS FISH TANK

Marineland Silhouette Aquarium

Unique Shape
One of the most unique aquariums on the market is definitely this Marineland tank. If you want a tank for the fishes that will catch everyone’s attention, this aquarium is a perfect choice. It comes in black color which goes well with all tones and interior styles.

Curved Base
This 3-gallon glass fish tank comes in a square shape and has a rimless design. Construction is strongly siliconized on the edges to prevent leaking. A stylish curved base on the back of the tank goes perfectly with this seamless design. We are sure this tank will be the most unique decoration in your home.

Fish Breeds
With a measurement of 14.13 x 13.63 x 12.25 inches, this Marineland 3-gallon aquarium is suitable for tetra, betta or other small fish breeds Place some plants, gravel, and reef inside, so your fishes can have a beautiful environment. This tank can fit on most commodes and stands in every home.

Filtration System
For better reflection, this tetra 3-gallon tank comes with LED lights that are hinged underneath the hinged canopy.  You can pick the sunlight effect of moonlight glow, depending on the time of the day. A transparent lid will prevent fish from jumping. The aquarium is equipped with 3-stage filtration for easier maintenance.

Buy On Amazon

BEST SALTWATER 3-GALLON GLASS FISH TANK

JBJ Picotope Aquarium Kit

Even this model looks very simple, it is the perfect choice if you want the best combination of modern and functional design. Sturdy construction will last you for a long time. This minimalist tank for the fishes can match any home decoration and furniture in every home.

Curved Front
This aquarium is made of high-quality glass and it is curved at the front which will create the illusion of a bigger space. Glass aquarium provides a crystal clear view from all sides. It is an excellent choice for beginners and you will get everything you need in the package.

Natural Environment
With a measurement of 14 x 10 x 11 inches, this 3-gallon glass fish tank can fit small and mini fish breeds. We recommend placing decoration inside as well as some plants for a more realistic environment. This tank can be used for salt as well as freshwater application.

Easy Feeding
Jbj lighting picotope aquarium kit includes a powerful filter that will save you time with cleaning and maintenance. At the top of a saltwater safe aquarium is a powerful lamp for best reflection at night. The tank has opened top so you can easily feed your fishes on a daily basis.

Buy On Amazon

BEST ROUND 3-GALLON GLASS FISH TANK

Large Canteen Glass Fish Bowl

Simple Design
If you only need a new tank for your fishes, without any additional equipment, this model is a perfect choice. Simple design always fits well in any living space, and we are sure this tank will fulfill decoration in your house or apartment. The sturdy model will last you for a long time.

Impact-resistant Tank
This 3-gallon glass fish tank is made of high-quality material so you can be sure it won’t break easily if you drop it. Glass is thick enough and impact-resistant. It has great transparency and you will have a crystal clear view from all sides. Place this model in a higher area like stands or commodes.

Water Application
Aquarium has 14 x 10 x 11 inches and it can easily fit wherever you place it. You can use it for fresh or saltwater applications, depending on if you’ll use a filter for easier maintenance. This 3-gallon fish bowl fits up to 3 mini or small fish breeds like betta, tetra, or goldfishes.

Opened Top
Because of opened top, you can easily feed your fishes every day. Cleaning is quick and easy, you will need a short time for a water change, as well. We recommend adding natural plants and gravel, so your fishes can enjoy in beautiful habitat even more. The canteen glass bowl will catch everyone’s attention.

Buy On Ebay

BEST CORNER 3-GALLON GLASS FISH TANK

Penn Plax Aquarium Kit

Easy-fitting Model
If you prefer models that can fit in corners and provide a great view from all sides, this Penn Plax aquarium for the fishes needs to be your choice. The modern design will easily catch everyone’s attention. The aquarium comes with all the needed equipment for beginners.

Seamless Design
This 3-gallon glass aquarium has a rimless and seamless design, and it will easily match with the rest of the home decoration. The aquarium is made of high-quality glass that has great transparency. Durable construction will last you for years and it is extremely impact-resistant.

Spacious Space
The aquarium is suitable for smaller fishes like bettas, tetras, and other fishes of similar sizes. With the measurement of 8 x 12.5 x 10.5 inches, this model can fit 3.4 gallons of water, which provides even more space for easier swimming. Place some plants inside for a better environment.

Included Features
In this betta fish starter kit, you will get a filter for easier maintenance. A hinged plastic lamp with LED lights will reflect the whole aquarium. The top of the aquarium has a transparent lid to prevent fishes from jumping out. Place this model in a higher area for a better view.

Buy On Amazon

BEST WITH FILTER 3-GALLON GLASS FISH TANK

Fluval SPEC Aquarium Kit

Black Color
One of the best aquariums for smaller areas is definitely this Fluval model. It comes in black color which goes well with all other colors. You can easily match this aquarium with the rest of your home decoration. The aquarium is sturdy and durable for use.

Quick Feeding
For easier fitting in every corner, this 3-gallon glass fish tank comes in a square shape. It has sturdy construction with plastic protection on the edges that will prevent any bumps. At the top, there is a transparent lid with a large hole for easier feeding.

Mini Fishes
Because this aquarium has only 2.6 gallons of water and it is a little bit smaller than the rest of our list, it will be the perfect choice for mini fishes like betta or goldfishes. You can add some natural or artificial plants to fulfill the environment.

Clean Habitat
This aquarium has LED lights on the top so you can enjoy beautiful color reflections every single day. The filtration system will save you time with maintenance and keep the habitat for the fishes fresh and clean. Like the other similar betta 2.5 gallon tanks, this model can also be easily installed.

Buy On Amazon

How To Pick The Best 3-gallon Glass Fish Tank?

After reading our reviews, if you’re still not sure about some features like shape, design, and equipment, our guide with many tips will help you pick the best one for your living space.

Aquarium As Home Decoration – Aquariums are the best choice for every living space, they fulfill home decoration and create the most wonderful atmosphere. Glass tanks can easily match any type of style and tone in your home. You can fit the tank on every stand, commode, or table.

Pick The Shape – There are many beautiful models on the market, and you can pick the one you like the most and a model that can easily fit in your living space. Most popular are definitely square models which look very attractive. Aquariums in bowl shape can be used as decoration on the table as well as vases where you can put bamboos.

Pick The Fishes – Fish breeds that you’re picking for a 3-gallon glass fish tank needs to be smaller sizes, like betta, tetra, or tropical fishes. Make sure to check if the model is suitable for fresh and saltwater applications. We recommend placing some decorations inside, like plants, gravel, and sand, so fishes can have an aquatic environment.

Additional Features – Make sure that the tank has a hole or easy opening door so you can feed your fishes quickly and easily every day. If you’re looking for a home saltwater fish tank, we recommend a model with a filtration system, so you don’t need to worry about a clean environment. LED lights in different colors as modes will provide the most amazing reflection at night.