How Big Are Giant Bettas

Do you know why “Giant” Bettas are given the name? Are you trying to set up your Bettas’ tank, and you wish to project how big they can get? Are you keen on making other changes that have to do with the fish’s size? This guide contains all you need to know about giant Bettas’ size and how big they can get.

A giant Betta can grow up to 5 inches when the conditions are right with them. They have a much bigger size compared to other regular Bettas. But despite their size, giant Bettas are peaceful species of fish. 

What Is A Giant Betta Fish?

The giant Betta is a supersized type of the regular Betta fish. The species results from continuous selective breeding of the biggest Bettas in the tank. They are also called anabantoids because they are relatively peaceful despite their size.

You can create a giant Betta fish by breeding the biggest Betta in a tank with another prominent member. You can even breed the biggest Betta from one community with the largest one in another community.

This continuous selective breeding continues to produce supersized Betta until it forms a whole generation. Giant Betta fish retains the vivid and bright colors of other Betta fish types. But they vary slightly in their requirements and preferences.

They prefer salty and slightly acidic water. Also, the fish cope better in water with a relatively low flow rate. Nevertheless, they are easy to care for and require good water quality like every other aquarium fish species.

How Big Do Giant Bettas Get?

The size of a giant Betta might not be the biggest in the aquarium, but their body is more extensive than other Betta fish types. A giant Betta can grow as big as 5 inches under suitable conditions. This growth is almost twice the size of a regular male Betta, around 2 to 3 inches.

Like every other living organism, giant Betta’s living condition will affect its size. You must ensure that you provide them with proper food and diet. Also, it would help if you kept them under suitable environmental conditions.

Even though giant Betta might not be subjected to bullying like regular members, it is still vital to keep them with suitable tank mates. Ensure maintaining appropriate water quality and lowering all risk factors that can stress or harm your giant Betta.

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What is the Largest Betta Fish?

Different species of betta fish come in various shapes and sizes. Some come in fantail shapes, some in giant sizes, and others come in their preferred shapes. However, some certain betta species called “giant bettas” take the honor of being the largest breeds of bettas.

Giant bettas are among the largest breeds of betta fish you can find. They are larger than the standard betta breeds. Unlike other betta species, giant bettas have their requirements that you have to follow.

Giant bettas will grow to at least three inches in length, and they are native to southern Kalimantan in Indonesia. They belong to the gourami family and belong to several freshwater habitats.

Giant bettas do experience a fast growth rate. Young giant bettas will reach their adult stage within three months. Fries of giant bettas also experience a faster growth rate than regular betta fries.

Are Giant Bettas Aggressive?

It is normal to expect fish in the range of 5 inches to be a bully and be aggressive. Interestingly, the case is not the same with giant Betta fish. A giant Betta fish under desirable conditions are not aggressive.

Although they enjoy being solitary fish, there is no reason to keep giant Betta alone. They can live with several other compatible tank mates, not their species.

All you need to do is make them feel comfortable and meet their essential requirement. Some suitable tank mates for giant Betta fish include;

  • The cardinal tetra
  • Silver Tip Tetra
  • Rummy Nose Tetra
  • Guppy
  • Mollies
  • Otocinclus
  • Zebra snails
  • Dwarf Tropical frogs
  • Gold stripe Corydoras

How Long Is A Giant Bettas Lifespan?

The lifespan of giant Betta fish is not entirely different from regular Bettas. A giant Betta can live up to 2-3 years. But some can survive more than 4-5 years under a near-perfect condition and proper feeding.

It is crucial to note that several factors influence a giant Betta’s lifespan. These factors include the extent of care they get, their feeding, and their tank mates. The genetic history and traits of the giant Betta can also influence the fish’s lifespan.

You will shorten the lifespan of your Betta fish if you place them in a relatively small tank. Ensure proper cleanliness of the tank and make sure the water quality and water parameters meet the fish’s demands.

The tank mates and other tank members can affect the fish’s lifespan. Keeping them with only suitable and non-aggressive tank mates will extend their lifespan and vice versa.

The food you give your giant Betta will not only influence their growth. It will also have a significant influence on their lifespan. So, ensure you feed them appropriately with their preferred nutrient.

What To Feed A Giant Betta?

Giant Bettas are hardy, and they are not extreme in their environmental and nutritional demands. You can feed giant Betta with live, dried, and frozen foods.

Some of the live foods giant bettas love to eat include; blood worms, daphnia, brine shrimps, worms, mosquito larvae, and other smaller meaty creatures. You can also feed them with vegetables like cucumber, lettuce, and spinach. Giant Bettas are also fans of boiled kernels, sweet corn, and peas.

The essential thing is to ensure that giant Betta’s nutrient is rich in protein. Feeding them with an appropriate diet will ensure proper growth and optimal health. It will also enhance and improve their lifespan.


Giant Bettas are usually more extensive than the regular Bettas. You can create this generation by selective breeding between the biggest Bettas in the tank. They share similar features with other regular Bettas. Giant Bettas can grow up to 5 inches and can live up to 3-5 years under appropriate conditions.


John Brandon

John has kept fish all his life (since he was about 5). He started with keeping guppies and fell in love with fish keeping almost straight away. That was 40 odd years ago. These days John still keeps fish and currently has two large tanks where he keeps many different types of fish such as Angelfish, Neon Tetras, Goldfish, Guppies and many more.