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Black Rainbow
Killifish, Rainbowfish, and Medaka

Black Rainbow

Melanotaenia nigrans

Photo: opencage · CC BY 2.5 · Wikimedia Commons

Key facts

  • Temperature20–26 °C
  • pH5.5–7.5
  • Minimum tank100 l
  • Adult size8 cm
  • Difficulty★★☆☆☆
  • Lives in a groupof 6 or more
  • TemperamentPeaceful
  • WaterFresh

Full profile

Family
Melanotaeniidae
Origin
Northern Australia
Size
8 cm
Temperature
20 – 26°C
pH
5.5 – 7.5
GH
2 – 12 °dGH
Difficulty
★★☆☆☆
Water type
tropical freshwater
Swimming level
medium – high
Behavior
Pacific
Minimum number of individuals
6
Minimum aquarium size
100 L
Diet
omnivore
Reproduction
oviparous

Notes: Dark lateral line and fins with red edges. The first rainbowfish to be scientifically described.

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