Macculloch's rainbowfish (Melanotaenia maccullochi)

Scientific name: Melanotaenia maccullochi Ogilby, 1915

The Macculloch's rainbowfish (Melanotaenia maccullochi) is a freshwater fish of the family Melanotaeniidae. In the aquarium it needs water at 20–25°C (68–77°F). Native range: Oceania, Papua New Guinea (lower and middle sections of the Fly River westward to the Bensbach River) and northeastern Australia.

Macculloch's rainbowfish care at a glance

Temperature: 20–25°C (68–77°F)

Biology

Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 7-12; Anal spines: 1; Anal soft rays: 13 - 19

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Melanotaenia maccullochi
Family: Melanotaeniidae (Rainbowfishes, blue eyes)
Order: Atheriniformes (Silversides)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 7.0
Environment: Freshwater;; pH range: 7.0 - ?; dH range: 10 - ? benthopelagic
Climate: Tropical
Distribution: Oceania: Papua New Guinea (lower and middle sections of the Fly River westward to the Bensbach River) and northeastern Australia.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 150)