Duboulay's rainbowfish (Melanotaenia duboulayi)

Scientific name: Melanotaenia duboulayi Castelnau, 1878

Duboulay's rainbowfish (Melanotaenia duboulayi)

The Duboulay's rainbowfish (Melanotaenia duboulayi) is a freshwater fish of the family Melanotaeniidae. Native range: Oceania, endemic to Australia.

Biology

Found in rivers, creeks, drains, ponds, dune lakes and reservoirs. Usually occurs in still or slow-flowing conditions near the surface or around vegetation, log snags, or other debris. Occurs in both sandy coastal habitats and forested areas farther inland. Water conditions vary from very soft and acidic (coastal) to relatively alkaline (inland). The pH and temperature ranges are 5.4-7.8 and 16?-28?C, respectively. Omnivore. A popular aquarium fish which readily breeds in captivity. Life span in the wild is probably 3-4 years.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Melanotaenia duboulayi
Family
Melanotaeniidae (Rainbowfishes, blue eyes)
Order
Atheriniformes (Silversides)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
11.0
Common length
6
Environment
Freshwater; benthopelagic; potamodromous
Climate
Temperate
Distribution
Oceania: endemic to Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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