Melanotaenia exquisita Allen, 1978
Exquisite rainbowfish
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Family:  Melanotaeniidae (Rainbowfishes, blue eyes)
Max. size:  7.5 cm SL (male/unsexed); 5 cm SL (female)
Environment:  benthopelagic
Distribution:  Oceania: occurs in the Edith River Gorge and Lake Malkyyllumbo (Edith Falls National Park), upper south Alligator River system and Moline Pool (Mary River system), Northern Territory, Australia. Edith River is a tributary of the Daly River system, 230 km southeast of Darwin.
Biology:  Inhabits steep gradient streams with numerous cascades and normally crystal clear water. Tends to congregate in pools at the base of small waterfalls where flow is rapid but is also found in quieter sections of streams and lakes. Prefers areas fully exposed to sunlight. Found in small, clear, swift-flowing streams, occasionally seen above high waterfalls. Also occurs in a lacustrine environment at the base of Edith Falls (Northern Territory) (Ref. 44894). Feeds mainly on aquatic and terrestrial insects and their larvae, also on green algae. Sympatric with M. splendida australis. A good aquarium fish, typical of most rainbowfishes in this respect. Should probably be provided with more space and additional aeration than is usually recommended for fish of this size due to its fast swimming habits and affinity for well-oxygenated waters at the base of waterfalls and rapids (Ref. 44894).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 February 2019 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Palomares, Maria Lourdes D. - 07.06.94
Modified by: OrtaƱez, Auda Kareen - 11.07.06
Checked by: Palomares, Maria Lourdes D. - 03.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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