Quick Facts
Scientific name
Nannoperca oxleyana
Family
Temperate Bass / Percichthyidae
Size
Up to 7.5 cm (2.95 in)
Weight
A few grams
Distribution
Habitat & AU Distribution
Freshwater streams, creeks, ponds & lakes amongst aquatic vegetation
Depth Range
0 - 4 m (13 ft)
Interesting Info
- The Oxleyan Pygmy Perch is a freshwater fish species that is endemic to Australia. They are found across eastern Australia, particularly in the Murray-Darling Basin – their range covers parts of New South Wales, Queensland, and Victoria.
- They have a distinctive appearance, with a slender body, large eyes, and a small mouth. They are olive-brown to dark-brown back, lighter sides, and a white to cream-colored belly. The species also has small, faint spots on its sides and back, and a slightly darker stripe along the lateral line.
- The species is a carnivore, feeding on small aquatic invertebrates such as insects and crustaceans.
- The breeding season for the Oxleyan Pygmy Perch is from September to February. During the breeding season, males become territorial and will defend their spawning sites from other males.
- The female Oxleyan Pygmy Perch lays eggs in small clumps attached to submerged vegetation. The eggs hatch after about 10 days, and the larvae feed on zooplankton for the first few weeks of their life.
- The species is listed as endangered under the Australian Government’s Environment Protection and Biodiversity Conservation Act 1999.
- The Oxleyan Pygmy Perch has a relatively short lifespan, with individuals usually living for only 1-2 years.
Species Interaction
Minimal Species Contact
Engagement with Oxleyan Pygmy Perch are largely focused on conservation and protection of the species due to their threatened status.
Scientific Classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Percichthyidae
Genus: Nannoperca
Species: Nannoperca oxleyana
Conservation Status
The Oxleyan Pygmy Perch is listed as endangered under the Australian Government’s Environment Protection and Biodiversity Conservation Act 1999. The species has experienced significant declines in its distribution and abundance due to a range of threats, including habitat loss, degradation, water extraction, pollution, and introduction of non-native fish species.