5-Gallon Fish Tank (Care, use and types)

5-Gallon Fish Tank
5-Gallon Fish Tank

Buying a 5-Gallon Fish Tank: If you’re in the market for a 5-gallon fish tank, you’ve come to the right place. We’ve listed the most popular choices for this size aquarium and given you a quick look at how to care for them. You might even be tempted to try something a bit different. For example, you could go for a Neon tetra or Betta fish, or even a livebearer Betta. But before you choose, make sure to follow our tips to make the right choice.

Neon tetras

If you’re looking to introduce neon tetras to your aquarium, you’ll need to ensure the water is at a temperature between 70 and 78 degrees Fahrenheit. It should also have a pH of 6.0 or 7.0. The water should also be free of hardness, and the levels of ammonia and nitrites should be below 0 ppm. To check for these parameters, use the API FRESHWATER MASTER TEST. This test will give you a general idea of your water pH and nitrate levels.

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Betta fish

One of the most important aspects of a fish tank is its ability to handle the stress of its inhabitants. While you can keep a Betta fish in a small tank without a filter, it requires regular cleaning and maintenance. Ideally, you should replace the water in your tank halfway through its lifecycle. A simple fishless cycle can prevent this and keep the tank’s ammonia and nitrite levels consistent.

Endler’s livebearers

If you’re thinking of adding a new fish to your aquarium, consider buying some Endler’s livebearers for your 5-gallon fish tank. These hardy fish are easy to breed and maintain. You can also easily distinguish the male from the female, which makes producing a breeze. It is recommended to keep three females to one male at all times. By combining two Endlers, you’ll have a dozen new babies!

Cherry shrimp

If you’re looking to start keeping shrimp as a hobby, a five-gallon aquarium is a perfect place to start. While there are some restrictions, cherry shrimp should be kept in numbers of two to five per gallon. They are omnivorous bottom feeders, which means they can eat various foods while living in a water tank. While most shrimp thrive on microalgae, you can feed them multiple vegetables. Try adding cucumbers, boiled squash, and dandelion leaves to your shrimp’s diet.

Dwarf corydoras

Dwarf corydoras are small-sized fish that prefer group living. They grow to about two inches in length and can be kept in groups of three or four. These fish are best kept in a tank with a minimum water volume of five gallons. You can also stay dwarf corys in a 10-gallon tank, but they tend to be territorial and should be kept together in a group.

White cloud mountain minnows

White Cloud Mountain minnows are a beautiful, docile, and hardy addition to any fish tank. They do best in unheated water at room temperature. Cooler water contains higher dissolved oxygen levels than warmer water. A school of White Clouds can live in a 5.5-gallon fish tank. A couple of plants are acceptable. Plastic plants are preferable as they set up the minnows’ colors.


The Marineland 5-gallon fish tank kit has several good features. This aquarium kit is easy to set up and use and comes with comprehensive instructions. The fish tank is easy to clean, too, thanks to SmartClean technology, making it quick and easy to change the water. A regular water change will help keep your fish healthy and make them live longer. Here are a few other benefits of this kit.


If you want to add a splash of color to your aquarium, the 5-gallon GloFish tank is an excellent choice. The curving edges of the tempered glass create a portrait look for this aquarium. Because of this, the ornaments stand out more against the white background. It also comes with a filter, Tetra Hidden Filtration, and a GloFish Cycle Light with four modes. You can even purchase GloFish fish and accessories to customize your GloFish tank.

5-Gallon Fish Tank
5-Gallon Fish Tank

Advantages of a 5-Gallon Fish Tank With Lid

There are several advantages to owning a 5-gallon fish tank with a lid, and this one is one of them. Despite its modest price, it comes with a variety of features. Among them are the overhanging LED light, which comes with a moonlight setting. It provides a broader light spectrum, suitable for some coral species and live plants. An internal filter is also included, which provides both chemical and mechanical filtration. The tank also has a lid that fits snugly on top, reducing evaporation and keeping your fish from escaping.

When purchasing a fish, consider its size. Many species need more space, especially water dwellers. Before making a final decision, consider the needs of all creatures in the tank. If only one species is in the tank, the other species may feel cramped. Depending on the type of fish, some species can be small at a pet store, but they will soon outgrow their tanks. If you have a 5-gallon tank, you should select a species that doesn’t need much space.

Purchasing a 5-gallon fish tank is an excellent way to get started in keeping fish. It’s a good starter tank for those new to fishkeeping, but you should remember to check the tank size for your chosen species before buying it. Some of these tanks are even available as kits with more accessories included than the standard tank. However, many aquarists would buy these components individually and then set up the fish tank themselves.

See Also: Aqueon Standard Glass Aquarium Tank 5.5 Gallon

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People also ask - FAQ

If you have a 5-gallon tank, guppies are a fantastic and underappreciated fish species that can be kept.

As long as the fish in the tank aren't more than two inches in length, you're good to go with 4-6 fish in this size tank. Fish as little as Tetra and Rasbora would fall under the "one-inch fish per gallon" regulation. A 5-gallon tank should not be used for fish that can grow more than 2 inches long.

The best fish for a 5-gallon aquarium is a betta, which combines attractiveness with intelligence. When it comes to keeping Betta fish, it's not too difficult. A heater, a sponge filter, and a light are all you need to keep betta fish happy in a 5-gallon tank.

The smallest tank you can successfully keep fish in is a 5-gallon one. Even the tiniest fish require room to swim, and a small aquarium can rapidly become unstable, putting the health of your fish at risk.

Your betta fish will thrive in a 5-gallon tank. Despite its diminutive size, it's big enough for a better fish to swim around comfortably. There are several compelling reasons to prefer a larger product. The quality of the water and available space are the deciding factors.

Invertebrates such as freshwater shrimp, corals, button polyps, tiny hermit crabs, snails, and clams are all examples of small aquatic invertebrates. These are small enough to fit in a five-gallon aquarium yet still provide hours of fun.

A group of 4 or 5 MALE guppies can live well in a 5-gallon tank. In other words, the females of guppies give birth to a baby fish that is already swimming in the water. Only male guppies should be housed in a 5-gallon aquarium to prevent an unintended increase in the fish population.

Things You'll want to bring with you Fish in a small tank. Filter. heater and air compressor (depending on the type of fish you want to keep) Lighting. Substrate. Plants that are currently growing (recommended) The Context (optional) Reverse osmosis unit.

Many mollies and platys may be found, making them easy to care for and fun to watch. A three-inch-long specimen can be housed in a classroom. Starting with a typical kind like black moly or red platy is an excellent place to begin.

Some of the most excellent betta companions for a 5-gallon tank include embers, brigades, strawberry ramshorn snails, etc. There are many other alternatives, but these are some of the most popular ones. To keep your betta fish safe, you must keep them away from larger fish or fish with violent tendencies.