Juvenile fish

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How does climatic warming impact fish populations?

By Henry Wootton and Pam Clunie May 31, 2023

Global warming is an increasing threat for many of earth’s ecosystems. Climate change is rapidly and drastically altering the natural world, but what effect is this having on fish and is there anything we can do about it? We know that global warming is causing rapid increases in the temperature of aquatic ecosystems on a

The Menindee Main Weir is open in December 2022.

Making the Connection: Providing Temporary Fish Passage at the Menindee Lakes

By Iain Ellis February 3, 2023

Fish Movement Weirs and regulators in rivers and lakes can impede or block the movement of native fish, impacting their ability to migrate and move to suitable feeding or breeding areas. While all fish need to move around to some degree, ‘flow-specialists’ like Golden perch and Silver perch need to move along rivers as part

New fishway at Toorale already supporting fish migration

By Kate McKenna May 16, 2022

Tucked away in the north-west of New South Wales lies the Toorale National Park and State Conservation Area, a culturally and ecologically significant site. At the confluence of two ecologically significant rivers for the Murray Darling Basin, the Warrego and the Darling Rivers, the Toorale National Park and State Conservation Area were jointly purchased by

Gaygay (Freshwater Catfish) Recovering in the Lower Gwydir

By Leo Cameron May 3, 2022

The native Gaygay (Freshwater catfish - Tandanus tandanus) was once common across the lower Gwydir, but in recent decades, numbers have declined significantly and the species is now considered ‘rare’ in most areas. In 2015, during the Gwydir Long Term Intervention Monitoring (LTIM) sampling, only one gaygay was captured, and no gaygay were detected subsequently

Juvenile fish

How does climatic warming impact fish populations?

Making the Connection: Providing Temporary Fish Passage at the Menindee Lakes

New fishway at Toorale already supporting fish migration

Gaygay (Freshwater Catfish) Recovering in the Lower Gwydir

Developing techniques to study fish early life history

Murray Cod spawning in Gunbower Creek

Impacts of native fish stocking on fish within the Murray-Darling Basin

Management of genetic resources within the Murray-Darling Basin

Protection and enhancement of Murray Cod populations in anabranches

Downstream transport of larval and juvenile fish in the Murray River

Fish recruitment in Barmah-Millewa Forest during flooding and non-flooding

Impacts of managed flows on fish spawning and recruitment