Halfmoon Betta, Red Dragon (Betta splendens)

Halfmoon Betta, Red Dragon (Betta splendens)


  • Family: Belontiidae
  • Origin: Far East, Farm Raised
  • Diet: Carnivore
  • Color Form: Red
  • Max. Size: 3″
  • Care Level: Easy
  • Minimum Tank Size: 1 gallon
  • Temperament: Peaceful
  • Water Conditions: 75-86° F, KH 0-25, pH 6.0-8.0


The Red Dragon Halfmoon Betta, is an exquisite variety of the extremely popular Betta splendens or Siamese Fighting Fish. The Red Dragon Halfmoon Betta has been selectively bred to exhibit two distinct traits – the “Half Moon” tail and the striking “Red Dragon” color pattern. A Halfmoon Betta demonstrates highly ornate fins with the caudal (tail) fin forming a semicircle or “half moon” shape. The caudal spread of a Halfmoon Betta is 180 degrees. The “Red Dragon” color pattern is notable for its combination of intense, shiny metallic coloration on the body paired with deep, cherry red coloration on the fins. Due to the complexities involved in developing and maintaining these traits, the Red Dragon Halfmoon Betta is highly desired among Betta breeders and enthusiasts.

The Red Dragon Halfmoon Betta shares the same care requirement as other Betta splendens varieties. As such, only one male Betta should be kept in an aquarium. However, the smaller, shorter-finned females may be housed together with caution. If kept in a community aquarium, the Red Dragon Halfmoon Betta should be housed with peaceful fish that will not nip at the Betta’s glorious, flowing fins.

An ideal environment for the Red Dragon Halfmoon Betta is a well-filtered aquarium that maintains a stable temperature between 75° and 86°F. Though other varieties of Bettas are often sold in small bowls in department stores, for the best care, the Red Dragon Halfmoon Betta should be kept singly in aquariums of at least 1 gallon. The Red Dragon Halfmoon Betta also prefers a variety of hiding places amongst the foliage of freshwater plants.

For breeding purposes, male and female Red Dragon Halfmoon Bettas can be temporarily housed together. Once the female lays the eggs, the eggs are placed inside a bubble nest and tended by the male Betta. Fry appear in about 24 hours and must be fed very small food initially, such as crushed or powdered flakes and newly hatched brine shrimp. Fry will also accept finely chopped hard-boiled egg yolk. Though the Red Dragon Halfmoon Betta can be bred in the home aquarium, it requires an experienced hobbyist with a trained eye to maintain and perpetuate the particular traits that distinguish the Red Dragon Halfmoon Betta from other varieties. Halfmoon Bettas do not breed true. In other words, the offspring will not always have a true, half moon tail.

The Red Dragon Halfmoon Betta is a carnivore and its diet should consist of a quality flake food, pelleted Betta diet, frozen or freeze-dried bloodworms and brine shrimp.

Approximate Purchase Size: 2″ – 3″


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