What Are The Largest Bettas In The World?

The giant betta is one of the largest species of freshwater beta fish. These brightly colored fish are native to Sunda, the largest island of Indonesia. They’re also known as double tail fighting fish or Siamese fighting fish. Giant Bettas grow to an average length of 7 inches and a maximum length of 9 inches. Males tend to be larger than females, but both genders have similarly brilliant blue, green or red tails and yellow, orange or white bodies with black stripes. It’s their disposition that makes them different from other bettas. If you keep freshwater aquariums at home, you know how finicky Bettas can be. While most pet stores stock small bettas around 2-3 inches long that are perfect for new hobbyists, others prefer keeping larger Bettas in their tanks. Here we explore some interesting facts about these large fishes –

Why Are Giant Bettas Important?

Betta fish come in a variety of shapes, sizes, and colors. They are native to Thailand, Vietnam and parts of Malaysia and are still used there in traditional Chinese medicine. These colorful fish are also popular among aquarists because they come in a wide range of shapes, sizes and colors. Bettas are the most popular aquarium fish in the world, and they’re kept in millions of home aquariums. Giant Bettas come from the Asian tropics, where they are used in traditional Chinese medicine. These large fishes are bred mostly in Indonesia and Thailand for the aquarium trade. They are also used for fighting and food.

Meet The Largest Betta

The largest Betta ever recorded was a Giant Betta fish named Big Blue, who lived in the Aquarium of the Pacific in Long Beach, California. Big Blue was a massive 10 inches long. Sadly, Big Blue is no longer with us. He was euthanized in 2015 after battling a bacterial infection for 2 years. Big Blue was the largest Betta in the world at the time of his death. Big Blue was one of the first Giant Betta fishes to be bred in captivity. Captive breeding is important because it ensures that there are suitable living conditions for these fish. It also makes sure that the offspring don’t have to be wild caught. Big Blue was born in the Northern California Aquarium Society’s Giant Betta breeding program. He lived at the Aquarium of the Pacific for 12 years.

What Does A Giant Betta Look Like?

A Giant Betta has an elongated and slightly compressed body. Their heads are larger than their bodies, and their eyes are large, round and protruding. Giant Bettas have uniquely shaped dorsal fins that are slightly longer than their pectoral fins. They also have a long caudal fin that is as long as their bodies. Big Blue was a massive Betta with a body length of 10 inches, a fin length of 5 inches and a total weight of 2.5 ounces. His fins were a bright blue and tipped in orange. The dorsal fin was bright blue with orange tips. His caudal fin was bright blue with orange edging on the upper and lower edges.

Where Can You Find A Giant Betta?

Asian fish farmers breed Giant Bettas for the aquarium trade. These fish are bred in Thailand and Indonesia to increase their size and fin length. Some Asian fish farmers feed their Giant Bettas a diet of varying proportions of fish, shrimp, spiders and crickets. Giant Bettas are also bred in the U.S. as part of a conservation effort to save the species from extinction.


Bettas are important fish because they’re unique, tropical fish that are easy to care for. While many people keep small bettas, others prefer keeping the large Giant Betta. They’re large, beautiful fish that are perfect for tropical fish tanks. If kept properly, the Betta can live up to 5 years in captivity.

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