Murray hardyhead, pygmy perch doing well in Lower Lakes, University of Adelaide says

Small native fish are doing well in the Lower Lakes, University of Adelaide research has revealed.

Populations of Murray hardyhead and southern pygmy perch have both risen since they were last monitored, and were found at several sites for the first time since the millennium drought.

Threatened fish ecologist Scotte Wedderburn said the species' potential range had grown as plants had spread across the lakes and into neighbouring watercourses, providing them with more food and shelter.

Department of Environment, Water and Natural Resources (DEWNR) spokeswoman Adrienne Rumbelow took that to mean the lakes' recovery was continuing to progress.

"Thanks to environmental watering and last year's high-flow event, we are seeing many ecological improvements across the Lower Lakes as well as the Coorong and Murray Mouth," she said.

"The extra water and our better understanding of the local environment has seen native fish numbers flourish as well as improvements in the overall biodiversity of the area."

It is the second time in a month researchers have reached similar conclusions.

A DEWNR study announced last month that whitebait, congolli and galaxias were doing well in the lakes.

Here, fishy: They're out there somewhere... Photo: File.

Here, fishy: They're out there somewhere... Photo: File.

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