Best rectangle aquariums for your fish: Top 10 picks

Fishes stand for vitality and optimism. Therefore, it is said that the movement of a fish in its tank emits good energy. Keeping good luck fish as a pet at home has a pleasant energy that attracts happiness and health. Finding the ideal fish tank size might be difficult. Aquariums come in a wide variety of styles and sizes on the market. However, not every tank is appropriate for every fish species. It might be challenging to choose what size to purchase with so many alternatives and opinions available. Your fish should be able to swim comfortably and benefit from the size of your aquarium. Large aquariums provide the fish greater room to exhibit their natural behaviours.

So, let's get started with this list of our top 10 picks on rectangle fish tanks right away, where we discuss the aquarium sizes and prices. Please be aware that we do not have an intention to disparage any other brands or models with this list.

Product List

1. Flow 15 Aquarium with LED Light - 4 Gallon, White

The Flow 15 Aquarium is a good choice when considering buying a rectangle fish tank. It is built from acrylic, which is 50% lighter, 93% transparent, and 10 times stronger than glass. This fish tank has true biological, mechanical, chemical, water stabilization, and oxygenation in 5 stages of filtration. A 12V transformer powers all biOrb aquariums. The integrated LED light is created to perfectly match your aquarium.

Specifications:

• Target Species: Fish
• Material: Acrylic
• Item Dimensions LxWxH: 30.5 x 20.3 x 31.8 Centimeters
• Item Weight: 3 Pounds
• Shape: Rectangular
• Style: Unique
• Colour White
• Price: Rs. 27,927

2. Mini Fish Tank, USB Rechargeable Fish Tank 10.43 x 4.92 x 5.51-inch Tank

With this mini fish tank, you can read the time, date, and temperature on an LCD digital display. This rectangular fish tank comes with a multipurpose pen container that may be used to cultivate aquatic plants or store tiny items like keys. It is a superb decor because of its trendy design and elegant colour. It also includes a bright LED light that is ideal for illuminating the fish tank.

Specifications

• Target Species: Fish
• Material: Plastic
• Item Dimensions LxWxH: 10.43 x 4.92 x 5.51-inch
• Item Weight: 0.98 Kilograms
• Shape: Rectangular
• Style: Digital
• Colour: Black
• Price: Rs. 5,542

3. AquaNature Super Extra Clear Glass Customize Fish Aquarium

This rectangle fish tank has a high calibre work on silicone rimming, handcrafted to a high standard by skilled artisans. For the clearest view of the aquarium fish and plants, the glass fish tanks are built with 12mm low-iron glass. The transparent rectangle fish tank's bright white glass reaches an almost colourless look with a very slight green tinge, guaranteeing the most vivid and authentic views of your underwater home. This fish tank is big in size.

Specifications

• Target Species: Fish
• Material: Glass
• Item Dimensions LxWxH: 91.4 x 45.7 x 45.7 Centimeters
• Shape: Rectangular
• Style: Rectangle box
• Colour White
• Price: Rs. 27,000

4. JAINSONS PET PRODUCTS Fish Aquarium Small Tank-15 LTR

You may also opt for this small rectangle aquarium. This rectangle fish tank comes with LED light, external filter with pump, a single plastic plant (design based on availability), and a single background. It has adopted auto glass production, which has higher definition, a perfect double arc shape, and superior visual effects. Particularly appropriate for home and workplace desktop decorations, smart functioning, plus it is simple to clean.

Specifications

• Target Species: Fish
• Material: Glass
• Tank Volume: 15 Litres
• Item Dimensions LxWxH: 30.5 x 20.3 x 31.8 Centimeters
• Item Weight: 5 Kilograms
• Shape: Square
• Style: Modern
• Colour: Red
• Price: Rs. 3,299

5. Aqueon 01206 Betta Bowl Starter Kit

The aquarium has a lid for a half-gallon, with a feeding door. This aquarium has a divider to accommodate two betta fish. The rectangle fish tank also comes with gravel and plants for decoration.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimensions LxWxH: 23.1 x 18.3 x 13 Centimeters
• Item Weight: 1.75 Pounds
• Shape: Rectangular
• Style: Unique
• Colour: Blue
• Price: Rs. 5,358

6. BURAQ Aquarium Mini Fish Tank Curve Moulded Equipped with Back Filter

This Buraq aquarium kit offers an easy and fashionable starting point for your new aquarium. The bare minimum suggested fish tank size for bettas is 4.5 litres. It comes with all the necessary equipment for your home aquarium. The miniature tank is made up of Acrylic. The 1W dazzling lighting colours may be used in any room or aquascape to enjoy colour therapy day or night. They can help you focus, be creative, or just rest and unwind. A filter might generate an aquarium water cycle and provide oxygen. It offers a healthy living environment, eliminates the need to replace the water, and just requires weekly filter sponge cleaning.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimensions LxWxH: 20 x 15 x 20 Centimeters
• Item Weight: 400 Grams
• Tank Volume: 4.5 Litres
• Shape: Rectangular
• Style: Indoor
• Price: Rs. 1,999

7. Green Live Acrylic Aquarium, 8 inches Aquarium Fish Tank (8*8)

This rectangle fish tank is the best item to give as a present, keep in a room, or place in front of the TV. It is a cylindrical bowl with asymmetrical windows and a detachable cylindrical façade. Other fish boxes can be stacked for a towering, condo-like look. This fish tank rectangle is a stackable aquarium with a strikingly contemporary look.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimension LxWxH: 20 x 20 x 20 Centimeters
• Shape: Rectangular
• Style: Modern
• Colour White
• Price: Rs. 1,899

8. Jainsons Pet Products 3 Tank Kit Betta Fish Tank

The rectangle fish tank uses three fake grasses that shine at night and absorb light throughout the day using non-toxic lighting. When linked to the air pump, the filter bubble head may produce bubbles, which has a good filtering effect. The activated carbon in the nozzle has an excellent filtering effect. Fish are unaffected while changing the water thanks to the bottom-mounted water change valve. High transmittance transparent acrylic of superior quality is used, and the six LED top cover lights can be adjusted for light colour. The fish tank may be separated into three areas using two isolation plates, which can be used for the hatching of fish fry, isolating sick fish, and safeguarding pups.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimension LxWxH: 28 x 10 x 15 Centimeters
• Item Weight: 3 Pounds
• Shape: Rectangular
• Style: Modern
• Colour: Multicolor
• Price: Rs. 1,149

9. VISATA TRENZ Wall Hanging Fish Bowl

This chic wall-mounted fish tank is composed of durable acrylic, which makes it lightweight. It's a beautiful addition to your home's decor because of its rectangular design and weather resistance. This rectangle fish tank is made of a non-breakable acrylic material. It is ideal as a wall hanging or tabletop decoration. It's an excellent addition to your house because of its translucent appearance.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimensions LxW: 28x38
• Tank Volume: 2 Litre
• Item Weight: 950 Grams
• Shape: Rectangular
• Colour: Random
• Price: Rs. 1850

10. VAYINATO Petzlifeworld Double Long Guppy Fish Breeding Tank

It is a special clear and floating plastic aquarium. Anywhere that is convenient, the sucker is fastened in the tank. It can keep hostile fish apart. A two-layer arrangement takes up no room.

Specifications

• Target Species: Fish
• Material: Acrylic
• Item Dimensions LxWxH: 21.5 x 11.1 x 10.6 Centimeters
• Item Weight: 220 Grams
• Shape: Rectangular
• Style: Rectangular
• Colour: Clear
• Price: Rs. 499

Top 3 features for you

Best overall product

Choosing the best item from this list of rectangle fish tanks is a daunting task. But if forced to choose only one, Flow 15 Aquarium with LED light is the best. It provides 5 stage filtration and it is very easy to set up. It is the perfect choice for students or busy professionals due to its low maintenance. It is also available in black colour.

Best value for money

The best value for money tablet is the Jainsons Pet Products 3 Tank Kit Betta Fish Tank. It is a mini breeding fish tank with two isolation plates, dividing it into three sections. But these dividers are removable to make it a spacious tank if required. The fish is not affected while changing the water with the water change valve provided at the bottom. This fish tank is available in blue and purple colours.

How to find the perfect rectangle fish tank?

Large aquariums are not only simpler to maintain since there is less room for mistakes due to the larger amount of water, but they are also less prone to get overcrowded. A continual state of tension or illness outbreaks may result from overcrowding. Large aquariums provide the fish with greater room to exhibit their natural behaviors. Depending on the species, some large-growing fish require a larger aquarium than little fish. Small invertebrates like prawns or snails do best in bowls, jars, and vases. Due to the little amount of water they can store, they are not advisable for fish.