Dwarf Neon Rainbow med

Save $13.75
SKU 20180.3


Sexing:Males have red fins while females have yellow to light orange fins. The males breeding stripe from top of nose to dorsal fin flashes yellow during displays.

Average adult fish size:3 inches / 8 cm

Scientific name:Melanotaenia Praecox

Temperature:23 – 32 Deg C / 73 – 89 Deg F

Common name:Praecox Rainbowfish, Dwarf Neon Rainbowfish

Water chemistry:pH 4.5 – 7.5

Recommended tank size:55 gallon / 240 litre

Typical tank setup:Praecox Rainbows are a very popular aquarium fish, and don’t require anything special. A peaceful community aquarium. Rainbows would ideally be in a planted tank. When housing Praecox Rainbow’s in the home aquarium it is important to provide them with a long (4 feet or larger) aquarium that has areas of plants and plenty of room for these active swimmers to move about. They are also well known jumpers, thus their aquarium should be well covered in order to keep them from jumping out of the aquarium when startled.

Feeding:The Praecox Rainbowfish should be fed once or twice a day. It is very important not to over-feed your Rainbow. All food should be consumed after just a few minutes. If not, you are feeding your Rainbow to much food in one serving. You can buy flake food specially made for tropical fish, such as the Rainbow in your fish store. A flake food diet is a good base for the Rainbow, but should ideally be supplemented with live food. Your Rainbow will survive on flake food alone, but the live food makes the Rainbow more well-nourished and healthier. Live or frozen Brine Shrimp is a popular Rainbow fish food since Brine Shrimp is very easy to produce at home. Bloodworms, Micro Worms, Fruit Flies, Mosquito larvae, Daphnia and chopped up Earthworms are other examples of suitable food for your Rainbow.

Breeding:Rainbow’s deposits its eggs in vegetation or other suitable substrate with Java moss. It’s best spawned in a pair or group comprising a single male and two or three females in a tank measuring 50-60 cm long.


Peaceful community tank mates like Molly’s, Guppies, Plat’s and Tetra’s.

Additional info

These fish are undoubtedly one of the most popular in the hobby. Many fish stores recommend these fish as suitable for first time fish owners. They are easy to look after, but will usually struggle with a cycling tank, and would probably die, so they should not be added to a tank until the cycle has been completed.

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