Yarra pygmy perch
Yarra pygmy perch | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Perciformes |
Family: | Percichthyidae |
Genus: | Nannoperca |
Species: | N. obscura
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Binomial name | |
Nannoperca obscura (Klunzinger, 1872)
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Synonyms[2] | |
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The Yarra pygmy perch (Nannoperca obscura) is a species of
Distribution
Nannoperca obscura occurs in the coastal drainages of southeastern Australia, preferring streams and lakes with plentiful vegetation and flowing water.
The species was first reported in the
Description and behaviour
This species can reach a total length of 7.5 cm (3.0 in), though most only reach about 5 cm (2.0 in). Yarra pygmy perch are olive-green above, greenish-brown on the sides, and yellowish-white below, with chevron-shaped markings on rear half of the body.[3] It can also be found in the aquarium trade.[2]
It feeds on small insects and their larvae, as well as small crustaceans.[3]
Conservation status and measures
The Yarra pygmy perch was classed as an
In November 2023, around 1,000 genetically-tested fish were release into enclosures near Hindmarsh Island in the lower Murray, to allow for three weeks of acclimatisation before being released into the wild in the river. The conservation project was undertaken by scientist at Adelaide and Flinders universities as well as the Murraylands and Riverland Landscape Board, with assistance from community and school student volunteers.[5]
References
- ^ . Retrieved 15 November 2021.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2014). "Nannoperca obscura" in FishBase. February 2014 version.
- ^ a b c Dianne J. Bray; Vanessa J. Thompson (2019). "Nannoperca obscura". Fishes of Australia. Museums Victoria. Retrieved 15 May 2020.
- ^ Species Profile and Threats Database. Department of Climate Change, Energy, the Environment and Water, Australian Government. June 2023. Retrieved 13 November 2023. Text may have been copied from this source, which is available under a Attribution 3.0 Australia (CC BY 3.0 AU)licence.
- ^ a b Horn, Caroline (12 November 2023). "Yarra pygmy perch to be released into lower Murray River after local extinction". ABC News (Australia). Retrieved 13 November 2023.
External links
- Yarra pygmy perch on Fishes of Australia