North New Guinea rainbowfish (Melanotaenia affinis)

Scientific name: Melanotaenia affinis Weber, 1907

The North New Guinea rainbowfish (Melanotaenia affinis) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 20–30°C (68–86°F). Native range: Asia and Oceania, New Guinea.

North New Guinea rainbowfish care at a glance

Temperature: 20–30°C (68–86°F)

Biology

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 13-20; Anal spines: 1; Anal soft rays: 18 - 24

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Melanotaenia affinis
Family: Melanotaeniidae (Rainbowfishes, blue eyes)
Order: Atheriniformes (Silversides)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 11.5
Environment: Freshwater; benthopelagic
Climate: Tropical
Distribution: Asia and Oceania: New Guinea.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)