Melanotaenia duboulayi (Castelnau, 1878)
Crimsonspotted rainbowfish
photo by Muséum-Aquarium de Nancy/D. Terver

Family:  Melanotaeniidae (Rainbowfishes, blue eyes)
Max. size:  11 cm SL (male/unsexed); 6.5 cm SL (female)
Environment:  benthopelagic; freshwater, potamodromous
Distribution:  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 (Ref. 44894). Omnivore (Ref. 75154). A popular aquarium fish which readily breeds in captivity. Life span in the wild is probably 3-4 years (Ref. 44894).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 February 2019 Ref. (126983)
Threat to humans:  harmless

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