Juvenile fish

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Can we predict the future needs of fish and fisheries?

By Lucy Stuart February 15, 2024

It’s no secret that Australian native fish provide many benefits to the ecosystems they inhabit and the wider community. However, native fish face various threats to their survival such as habitat degradation, climate change, invasive pests and over-exploitation. Australia's large geographic area coupled with the vast diversity in fish and fisheries presents a challenge for

Pygs are Flying! Southern Pygmy Perch Recovery in the Mid-Murray

By Lucy Stuart January 24, 2024

In August last year we reported on the Southern Pygmy Perch (SPP) and the recovery efforts happening in the Upper Lachlan area. Recently, they have made quite the splash in the Mid-Murray Recovery Reach! The North Central Catchment Management Authority (CMA) is applying their Native Fish Recovery Plan in partnership with the Department of Energy,

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