Dwarf Rainbowfish Tropical Fish Information

Melanotaenia praecox
Dwarf Rainbowfish
Behaviour Peaceful, shoaling, active
Typical size 6cm
Max size 8cm
Tank Area Middle, top, all
Min Tank Size 60cm
Min Number in Tank 6
Temp Min: 23℃ Max: 28℃
Feeding Flake, dried, frozen, live foods
pH Range 6-8.5
Hardness vs,s,m,h,vh
Group of Dwarf Rainbowfish Melanotaenia praecox
  • Group of Dwarf Rainbowfish Melanotaenia praecox - thumbnail
  • Dwarf Rainbowfish Melanotaenia praecox - thumbnail

Dwarf Rainbowfish (Melanotaenia praecox)

Dwarf Rainbowfish Tropical Fish Learn all about the Dwarf Rainbowfish's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. Use our fish community creator tool to plan your tank set up and ensure that the Dwarf Rainbowfish is the right fish for your aquarium.

The Praecox Rainbowfish is an attractive shoaling rainbowfish which has the same peaceful and active nature as many other fish of the genus. A group of these fish will adapt well to most aquariums and will add a nice dash of metallic colour. Darker tanks, or tanks with darker substrates will help to show off the fishes colours.

Dwarf Rainbowfish Facts

Family Melanotaeniidae (Rainbowfishes & Blue eyes) | Synonyms Rhombatractus praecox | Other names Dwarf Neon Rainbowfish, Neon Rainbowfish, Praecox Rainbowfish | Origin Asia; Indonesia; Irian Jaya | Breeding Open water egg scatterers | Natural Habitat flowing vegetated streams

Dwarf Rainbowfish Help and Advice

If you have a question about keeping Dwarf Rainbowfish's then please use our Dwarf Rainbowfish help forum. Join 100's of other fish enthusiasts with 1000's of years experience between them caring for and keeping fish like these.

question mark     

Check tank mates for the Dwarf Rainbowfish fish species

You are in the thinkfish community creator for the Dwarf Rainbowfish fish species, you can learn all about how the tool works in assessing fish tank mate compatibility at the link provided or use the tool tips provided to guide you. Create a test fish community that includes the Dwarf Rainbowfish species and any other types of fish or crustacean you'd like to introduce - You can assess the best companions, tank size suitability, stocking levels based on filter type and volume and possible negative interactions and warnings as you build up your aquarium.

Please do check your water type for compatibility with your fish, which can be found on the Dwarf Rainbowfish information box above and your local water company providers website. Don't waste your money and endanger your fish!
Tank Details
question mark  Rename your tank:
question mark  Length: (cm)
question mark  Volume: (Litres)
question mark  Filter type:

* Recent changes to stocking & filter advice October 2018
* This fishtank will only last for this session - to save your tank please Join/Log in

question mark  Max Stocking level: 0cm
0-1 months 20%: 0cm
1-3 months 40%: 0cm
3-6 months 60%: 0cm
question mark  Current stock level: 0cm
Stock percentage: 0%
question mark  Suggested maximum
fish size for your tank:
My Fishtank Quantity Stock cm

There are currently no fish in your fish tank. To add fish, you can click the 'Add the Dwarf Rainbowfish to your tank' button. Or search for a different fish using the options presented above

sample fish tank
See an example tank as it would show on a user profile with enabled settings and community tanks.

To save your tank details in the Fish Community Creator you must be logged in CLICK HERE to login or create an account further down the page below

If you'd like to talk about the "Dwarf Rainbowfish" with our users, then we have a buzzing community of fish enthusiasts where you can talk about tank issues, Dwarf Rainbowfish fish behaviour, Dwarf Rainbowfish tank stocking and any other issues related to the Dwarf Rainbowfish fish or other types you may have.

Help us keep great tools like this online by becoming a think fish supporter . You will help with our hosting and development costs. From as little as £1.16 per month - Become a Supporter today

Click to read the Latest Tropical Fish discussions from Thinkfish users.

Think Fish Tropical Fish Forum
Tropical Fish Market Place
Fish of the month

Helping Fishkeepers With Their Fishkeeping Needs Since 2006