Best Small Fish Tank of 2019

If you are a fish lover, you would normally want an aquarium. But taking care after an aquarium is not an easy job. The bigger it is, the more you will have to work on it, and it will cost you more.

Usually, bigger tanks are much better overall. However, while there are amazing large tanks on the market, we want to take a look at the best smaller models. Fish need a good environment to live healthy and happy, and while there are countless models on the market, you need to know which are the high-quality ones.

Here is our list of the best small fish tanks. All models are available on Amazon at the best current market prices!

Number 1

By: Marina

  • Everything you need to start
  • Variety of Sizes
  • Perfect for Beginners
  • Includes quick-change filter cartidges
  • Comes with a guide

Marina offers a great aquarium kit for beginners and professionals. You can choose between three sizes – 5, 10 and 20 gallons, and you get everything you need to start right away.

The packages include a filter, different for each size. They also contain natural LED lighting.

The kits also come with a guide on how to start and maintain your aquarium, you receive a package of food, and you receive a water conditioner which is very important for your fish.

These aquariums are perfect for smaller species of fish like guppies, platys, tetras, and goldfishes.

Number 2

By: MarineLand

  • Attractive & Modern
  • LED Lighting
  • 3-Stage Filtration
  • Easy Maintenance
  • Durable

Marineland offers two sizes of this small tank – 3 gallons and 5 gallons. Our opinion is that the 5-gallon one is the better choice as it does not occupy more space, and it is almost twice as bigger. Both designs are attractive and will look great no matter where you place them. This brand has been on the market for a long time, and they produce some of the best products you could wish for. You can expect that their aquariums will last a lifetime.

The aquarium comes with LED lighting with two settings – moonlight and daylight. It has a 3-stage filtration system which delivers extra clean water. The top slides out easily, and you will not have any issues with feeding or maintenance.

Number 3

By: Fluval

  • Smart and Attractive Design
  • Spacious
  • Powerful LED Lighting
  • 3-Stage Filtration
  • Great Value

This all-in-one aquarium by Fluval is perfect for any fish lover. It has an attractive design and is really optimized.

You get everything you need in the package. You get a powerful LED lighting with 37 lamps and a filter system in a separate section on one of the sides. The filtration system performs all the most important types of filtration – biological, mechanical and chemical.  The lighting is strong enough for you to grow some beautiful plants or grass.

The set up is extremely user-friendly, and you get a detailed guide on how to perform everything.

Number 4

By: Cobalt Aquatics

  • Three Sizes
  • Easy Maintenance
  • Internal Filter
  • LED Lighting
  • Great for Plants, Small Fish, and Shrimp

Our next pick is by Cobalt Aquatics and is from the Microvue3 line. There are three options in this line, we have picked the largest one, which is 8 gallons.

This really simple, yet effective model comes with all you need in the package. You get a LED lamp and an internal filter. It has a glass top, and you get a foam underpad.

This aquarium is perfect for a planted landscape; it works best for bettas and goldfish. Also, it is great for shrimps.

Number 5

By: Fluval

  • Attractive Design
  • LED Lighting
  • 3-Stage Filtration
  • Durable
  • Easy to Maintain

Our top choice for a small aquarium definitely goes to this 15-gallon model by Fluval. This aquarium is a piece of beauty and is extremely technological and efficient.

Usually, most aquarium lights are quite weak, and if you want to build a beautiful landscape, you need to buy extra lights. This aquarium is equipped with a 7500K LED lighting which is precisely what you need in such cases.

You get a very high-quality filter which has biological, mechanical and chemical media – the three most important factors for clean and healthy water.

You cannot go wrong with this model by Fluval. It will look beautiful anywhere, and its performance will never let you down.


If you have read this far, you have already looked through our list of the best small aquarium choices. When you decide to choose a small aquarium, you need to know that you will not be able to have too many fish. It may be good first to select the species of fish you want before you choose the aquarium as there are some which need a special environment.

Full aquarium kits are often not as good as their manufacturers claim they are. They attract with attractive prices but in reality are bad quality products. This is why we have made this list of reliable and durable kits which will not let you down.