King Betta: The Bold and Beautiful Giant of the Betta World

(Betta splendens – King Variant)

Looking for a Betta with extra presence and personality? The King Betta might be exactly what your aquarium needs. Larger than typical Betta splendens and often displaying striking colors with strong, short fins, the King Betta offers a powerful, compact version of elegance and attitude.

Whether you're a seasoned Betta keeper or just starting out, this larger-than-life fish is a fascinating and rewarding addition to any properly maintained aquarium.

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Quick Facts

• Common Name: King Betta

• Scientific Name: Betta splendens (King variety)

• Origin: Selectively bred variant, likely originating in Thailand

• Adult Size: 3–4 inches (larger than standard Bettas)

• Temperament: Semi-aggressive, especially males

• Lifespan: 3–5 years

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What Makes a Betta a “King”?

King Bettas are a selectively bred variant of Betta splendens, usually developed for a larger body and sometimes more vibrant coloration. They're not a distinct species, but they are noticeably bulkier and longer than the average Betta, giving them a commanding presence in the tank.

They typically feature shorter fins compared to Halfmoons or Veiltails, which often leads to better swimming ability and reduced risk of fin damage.

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Personality & Behavior

Like all Bettas, Kings are intelligent, curious, and highly aware of their surroundings. They often learn feeding routines quickly and will interact with their keepers through glass. Males are territorial and should be housed alone, while females can sometimes be kept in carefully monitored sororities.

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Ideal Tank Setup

? Tank Size:

While some Bettas can live in smaller tanks, King Bettas thrive in at least 5 to 10 gallons due to their larger size and active nature.

? Aquascaping Tips:

• Gentle filtration and low flow

• Live or silk plants for hiding and resting

• Driftwood, Betta caves, and smooth décor

• Floating plants or leaves are appreciated for shade

? Water Parameters:

• Temperature: 76–82°F

• pH: 6.5–7.5

• Water Hardness: Soft to moderate

• Weekly water changes help maintain stability

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Diet & Feeding

King Bettas are carnivorous and enjoy a protein-rich diet. Feed once or twice daily, rotating between:

• High-quality Betta pellets

• Frozen or live bloodworms, daphnia, or brine shrimp

• Occasional treats like freeze-dried krill or mosquito larvae

Avoid overfeeding—Bettas are prone to bloating and constipation.

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Tankmates

Because of their semi-aggressive nature, King Bettas must be housed with care. Male Bettas should never be housed together, and female pairings should be done cautiously in properly sized, planted tanks.

Compatible tankmates (with space & caution):

• Peaceful bottom dwellers (e.g., Corydoras, Kuhli loaches)

• Snails (e.g., Nerite or Mystery snails)

• Small, non-nippy schooling fish like Ember Tetras (only in larger tanks)

Avoid:

• Fin-nippers like Barbs

• Colorful, slow-moving fish that may trigger aggression

• Any other Bettas in the same tank (males especially)

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Final Thoughts

The King Betta lives up to its name—a larger, more robust variant of the iconic Siamese fighting fish. With its impressive size, bold colors, and confident demeanor, this Betta makes a regal addition to any properly prepared aquarium.

Whether you're upgrading from a standard Betta or seeking a striking solo display fish, the King Betta commands attention with every graceful movement.