Melanotaenia sexlineata (Munro, 1964)
Fly River rainbowfish
photo by Judy, T.

Family:  Melanotaeniidae (Rainbowfishes, blue eyes)
Max. size:  7.3 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 7 - 7.5
Distribution:  Oceania: known only from a few sites in the upper Fly River system near Kiunga, Papua New Guinea.
Diagnosis:  Dorsal spines (total): 6-8; Dorsal soft rays (total): 10-12; Anal spines: 1-1; Anal soft rays: 16-19
Biology:  Generally found in small rainforest creeks (Ref.2847). An omnivorous egg layer and a peaceful community fish which prefers the following aquarium conditions: pH=7.1, H=8, 27°C water temperature, vegetative cover (Ref. 6398).
IUCN Red List Status: Endangered (EN); Date assessed: 06 December 2019 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


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