Praecox Rainbow

Rainbow Fish | Praecox Rainbow

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(Please note that the fish shown in the photo is only a representative of what an adult specimen would look like. The color may vary based on the age and sex of the fish you receive.)

Scientific Name: Melanotaenia praecox

Common Name: Dwarf Neon Rainbow, Praecox Rainbow

Adult Size: 3 inches

Life Expectancy: 3 - 5 years

Habitat: Farm Raised, Malaysia

Minimum Tank Size: 20 gallon

Ideal Tank Conditions: 

  • Temperature Range: 72 - 79° F
  • pH Range: 6.5 - 8.0
  • Water Hardness: 5 - 30

Temperament: Peaceful

Diet & Nutrition: Omnivore; should be fed a high quality flake or pelleted food to maintain good health. Another large chunk of their diet should be live foods like brine shrimp, bloodworms, and tubifex worms. They also enjoy plant matter, so if you don't have any live plants for them to nibble on, consider giving them blanched lettuce leaves or a plant based food from time to time.

Breeding & Spawning: Egg layer that spawns over a moss substrate. Adults should be removed from the fry after hatching

Gender: The male's fins will have a red outline and the female's fins will have a yellow or orange outline. These outlines will grow more distinct as the fish ages. Females are also more silver in color.