17 Rare Betta fish varieties

Are you a Betta fish lover looking for rare and exotic fish to add to your collection? Then you’ve come to the right place! In today’s blog, we’ll be discussing the rarest and most unique Betta fishs breed types. So, without further ado, let’s dive right in!

Betta fishs, also known as Siamese fighting fish, are known for their vibrant colors, elaborate fins, and aggressive behavior. They come in a wide range of colors, patterns, and tail types. Today, we’ll explore the rarest and most unique Betta fishs that you can add to your collection.

All the Betta varieties mentioned in this blog are based on my personal knowledge and the country I live in. The rarity and uniqueness of these varieties may vary for you. If you have a different opinion on any of the points in this blog, please feel free to add your comment.

#1. Orange Dalmatian.

The Orange Dalmatian Betta, resembling Dalmatian dogs with pale orange bodies and dark orange-flecked fins, is rare due to breeding challenges. Enthusiasts require patience, often crossing Red Dragons with solid orange Bettas across generations. In some countries, they’re known as Armageddon or Vanda Bettas. These fish reach their peak beauty at 6-8 months or 1 year but face fin loss and illness risks for breeders.

#2. Green Betta Fish.

Green Betta fishs do not exist in their true form. However, there are betta fishs that appear to be green, but they are actually turquoise in color. Turquoise Betta fishs are highly sought after by enthusiasts due to their unique and beautiful coloring. Their scales have a metallic sheen that can range from blue-green to blue-violet, making them a stunning addition to any aquarium. Turquoise betta fishs are not easy to find, and they are considered a rare coloration. 

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#3. Albino betta fish.

Albino betta fishs are considered so rare that some betta keepers do not believe they exist. The defining characteristic of these fish is their lack of pigmentation, which makes them appear translucent with either pink or red eyes. Albino betta fishs have no color on their bodies, fins, or tails, making them stand out from other types of betta fishs. A white betta fish has an opaque white body, which is often mistaken for an albino betta fishs. The white opal betta fish is not the albino betta fishs.

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Animals with albinism are more expensive to trade. The world’s most expensive ball python was an albino and sold for a whopping $40,000! An albino betta fish should not cost you that much. However, keep in mind that due to their rarity and the fact that they cannot be bred, they will likely be at a much higher price. Also, albino betta fish come with a high risk of health problems and a shorter lifespan. They are commonly known for skin cancer and blindness, making it unlikely for them to reach adulthood. 

#4. Gold betta fish.

One of the rarest and most impressive varieties of gold betta fish is the 24K Gold Betta. These fish have a beautiful metallic gold body that glimmers in the light, and their fins are also a stunning gold color. As they grow and mature, their coloration may change slightly, but they will always retain their eye-catching golden hue. Keeping a 24K Gold Betta in your freshwater aquarium is sure to add a touch of elegance to your setup.

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Often people think that gold betta fishs are just yellow betta fish with different camera lights. In reality, the genetics of gold betta fishs can be complex and may involve various color genes, including yellow. 

#5. Fantail betta.

The fantail betta, highly coveted, boasts two side-by-side, fused caudal fins resembling a fantail goldfish. Their wide, round fins showcase diverse colors and patterns, demanding skill and patience for breeding. With prices up to $5,000 at auction, these rarities captivate collectors and enthusiasts. In two decades of breeding, I’ve yet to encounter a fantail betta, a potential fortune unfulfilled.

#6. Fluorescent betta fish (Glofish Betta).


Fluorescent betta fishs, known as Glofish betta, result from genetic modification using Green Fluorescent Protein from jellyfish. Initially created in zebrafish, this technology expanded to yield red, yellow, and orange variants. Some countries, Thailand included, refrain from importing/exporting Glo betta fishs due to potential environmental impact, prioritizing ecosystem preservation and betta fish beauty. Regrettably, Glo bettas often possess weak immunity and a short lifespan, frequently falling ill and succumbing within 6-12 months of ownership, as reported by many pet keepers.

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#7. King Crowntail Betta.

The King Crowntail Betta is considered the rarest type of Crowntail Betta fish. One of the key differences between the King Crowntail and other Crowntail Betta species is the shape of its caudal fin, which has a cross-ray pattern that forms a crown-like shape. This is in contrast to other Crowntail Betta species whose caudal fins are typically more straight in shape. Due to its unique and striking appearance, the King Crowntail Betta is highly prized among hobbyists. However, its rarity also means that it may be more difficult to find and may be more expensive than other types of Crowntail Betta fish.

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#8. Giant Betta Fish.

The Giant Betta Fish is a selectively bred strain of Betta fish that is larger in size than the average Betta fish. Unlike regular Betta fish, which typically grow to be around 2-3 inches in length, the Giant Betta can grow up to 4-5 inches in length, and in some cases even bigger. It is recommended to keep Giant Betta fish in an aquarium that is at least 10 gallons in size, with plenty of hiding and swimming space. Another difference is that Giant Betta fish tend to have a more docile and peaceful temperament compared to normal Betta fish. While Betta fish are known for their territorial behavior and aggression towards other males, Giant Betta fish are generally more tolerant. They can be kept with other peaceful fish species.

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#9. Butterfly Crowntail.

The Butterfly Crowntail Betta has a similar appearance to other Crowntail Betta fishs, with the distinctive spiky appearance of its fins. However, the key difference lies in the pattern on its fins. The butterfly pattern is achieved through selective breeding and is characterized by a solid color base with striking contrasting colors on the edges of the fins. Although butterfly tail patterns are relatively common on Halfmoon betta fishs, they are considerably rare on Crowntails and look more appealing. As you can see from this blog, this Betta variety has a distinctive pattern on its fins, showing at least two colors on the spikey caudal fins. 

Mustard Gas Crown Tail Betta Fish

#10. Alien Betta Fish.

Alien Betta Fish, a captivating hybrid, blends wild species with domestic Betta, fascinating aquarium enthusiasts with their ever-changing luminous colors. While often referred to as wild bettas, they’re not found in the wild. Quality is gauged by color vibrancy, fin symmetry, and overall health.

Alien betta fish are particularly popular in blue or gray colors. These fish often have a black or dark brown body with a metallic sheen and a unique pattern. In addition, full-green Alien betta fish with metallic scales are also quite common. Copper Alien Betta fish have a coppery pattern as well.

I’m curious to know what cool Betta fish varieties you’ve owned so far. Don’t forget to tell me in the comments!

#11. Betta Macrostoma.

Betta macrostoma, also known as Brunei Beauty, is a popular betta species prized for its large size and bright colors. It is often considered the “holy grail” of betta fish. One of the distinguishing features of this fish is its big mouth, as “macro” in Latin means “big” and “stoma” means “mouth.” Betta macrostoma can be kept in pairs without any issues. Once a pair is established, they will live together peacefully. If you’re lucky, they may even breed spontaneously without any additional effort. Because their natural environment typically lacks plants and has fast-flowing water in small streams and pools, they do not build bubble nests. Instead, mouthbrooding betta fish have developed a way to hatch their eggs in their mouths and protect their fry.

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#12. Rosetail Betta fish.

The Rosetail Betta is characterized by an increase in the number of branches in the dorsal, caudal, and anal fins. This gives them a ruffled or feathery appearance, and when the fins are spread open, the dorsal and caudal fins overlap, resembling the petals of a rose. Breeding Rosetail betta fishs into a line will result in a higher percentage of Rosetails in the following generation. Therefore, caution should be used when selecting a Rosetail for breeding. In addition to the D-shaped caudal fin and extreme branching, the ideal Rosetail betta should have a good overall balance in the finnage and should appear proportionate. The scales should be symmetrical, and the fish should be able to swim well.

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Rosetail betta fish have negative traits that often hinder their ability to swim well. Their dorsal and ventral fins are often undersized and out of balance and their grow-out rate is slow. 

#13. Betta Pallifina.

Betta pallifina, among the largest wild bettas at 4 inches, boasts captivating blue-green hues, snake-like scales on its cheeks. It’s a mouth-brooder, recognized by its large mouth for egg hatching and predation. For Betta pallifina, spacious tanks for pairs or groups suit best due to their territorial and aggressive tendencies.

#14. Galaxy Betta fish (new strain).

The Galaxy Betta fish is a popular variant of the Betta splendens, known for its unique appearance resembling a galaxy of stars. The breeders named it so because of the scattered iridescent scales of the betta fishs that look like a galaxy of stars in the night sky. The Red, Black, Blue Galaxy Gold Plakat is a unique strain of Galaxy Betta that has a red base with a gold koi spot. Males of this species are known to be territorial and aggressive towards each other, so they must be kept alone, but females can be kept in groups.

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The Galaxy Betta has become very popular on the market due to its unique and gorgeous appearance. Although there are variations in their dragon-like or metallic scaling, the flashy star-like pattern on their body is a defining trait. 

#15. Avatar Halfmoon.

The origin of the Avatar Betta’s name has been a source of amusement. Customers coined it, likening its color to the movie Avatar, giving rise to “Blue Black Avatar” and “Dark Blue Avatar.” Avatar bettas are cherished for their unique appearance, particularly the Halfmoon strains. Recently, a rare Halfmoon Avatar Betta fetched over $700 at a Thai auction, a remarkable price in Asian countries.

#16. Candy Koi Betta

Koi betta fish that exhibit candy-like colors are commonly referred to as Candy Koi betta fishs. These types of betta fishs can be found in various colors including black, red, blue, and yellow, which makes them look like candy treats. Because they resemble sorbets and ice cream, some people refer to them as ice cream Betta fish. There are three base layer colors of red, orange, and yellow that make Candy Koi betta fish unique. Black is an optional color that may or may not be present. 

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In order to be considered a true Candy Koi Betta, the fish’s coloration must contain at least five colors. This ensures that the fish has a strong base layer and intricate patterns or lacing, which are the defining characteristics of the Candy Koi Betta. 

#17. Rare solid colors.

Solid-colored betta fishs in shades of orange, yellow, and white are relatively rare, particularly the Halfmoon variety. The genetics of these betta fish can result in a range of hues, from light to dark tones of each solid color.

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