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Blue Rainbow

Regular price
RM 15.00
Sale price
RM 15.00
Regular price
RM 0.00
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The Blue Rainbowfish is one of the most distinctive and beautiful rainbowfish species and it makes a great addition to the planted or community aquarium!

The Blue Rainbowfish (Melanotaenia lacustris) is an exceptionally colorful species that is beloved for its deep blue, turquoise, and yellow coloration. It is a very active fish that lives in schools in Papua New Guinea's Lake Kutubu and the connected River Soro, both of which are calm bodies of water. As with most larger rainbowfish, both males and females are very colorful, but mature males are deeper-bodied with the most intense coloration. The Blue Rainbowfish is peaceful with most other fish species, although its size and activitiy can be intimidating to particularly shy fish.


What We Like About This Fish:
  • Outstanding coloration that intensifies with maturity
  • Active, schooling community fish that thrives in planted aquariums
  • Compatible with most fish and many invertebrates
  • Possible to breed in the aquarium
  • Adaptable to a wide variety of water conditions
  • Temperature:  20° - 25° C
  • pH:  7.0 - 9.0
  • KH:  10 - 20 dKH
  • Diet:  Omnivorous.  High quality dry foods will be accepted, but should be supplemented often with frozen and live foods.
  • Social behavior:  Schooling/shoaling, and should be kept in as large of groups as possible. Peaceful with most other fish and invertebrates too large to be considered prey.
  • Origin:  Tank-Bred, but indigenous to Lake Kutubu, Papua New Guinea
  • Average adult size:  4 - 4.8 inches (10 - 12 cm)
  • Average purchase size:  2 inches (5 cm)