- Sku:
- Vendor: Filizoo
Melanotaenia praecox
Common name: Dwarf Neon Rainbowfish
Origin: Papua New Guinea (rivers and streams in the northern part of the island)
Optimal living conditions: 24 - 28 °C temperature
6.5 - 7.5 pH
100 l+ sized aquarium
Adult fish size: 4 - 5 cm
Diet: Melanotaenia praecox is an omnivorous species that will thrive on a varied diet. In captivity, it should be fed high-quality flake foods, pellets, and live or frozen foods such as brine shrimp, daphnia, and bloodworms. They also enjoy plant-based foods like algae wafers, blanched spinach, and zucchini. A balanced diet will help maintain their health and vibrant colors.
Tankmates: Dwarf Neon Rainbowfish are peaceful and community-friendly, making them an excellent addition to a variety of aquarium setups. They do well with other peaceful species such as tetras, barbs, small catfish (like Corydoras), and other rainbowfish. As schooling fish, they should be kept in groups of at least 6 individuals to help them feel secure and display their natural behavior. Due to their peaceful nature, they can be kept with a variety of other species, but avoid aggressive or fin-nipping fish. Providing a well-planted tank with open swimming spaces will allow them to feel comfortable and reduce stress.
Note: Melanotaenia praecox, or Dwarf Neon Rainbowfish, is a beautiful and vibrant species known for its small size and colorful appearance. Males are typically a brilliant mix of iridescent blue, yellow, and orange, while females are more subdued in color but still attractive. This species is perfect for smaller aquariums and makes a great choice for aquarists with limited space. Despite their small size, they are very active and enjoy swimming in the mid-to-upper levels of the aquarium. Their peaceful nature, combined with their vibrant colors and small size, makes them a favorite for community tanks.
Note: This small chart is only the basics and is not enough for you to decide if this fish is right for you! Do your own detailed research before buying!!
Have a question?

Melanotaenia praecox

