As part of the Murray-Darling Basin Commission’s ‘Native Fish Strategy’ (MDBC 2006), a program is being undertaken to install fishways on all main-channel weirs and barrages of the River Murray in order to re-instate connectivity from Lake Hume to the sea (Barrett and Mallen-Coop...
The Murray-Darling is Australia's largest river catchment, and its aquatic ecosystems have been severely affected by river regulation, potentially more so than any other Australian catchment (Cadawallader 1978...
Phalloceros caudimaculatus (Hensel, 1868) is a freshwater and brackish-water fish native to eastern South America (Brazil from Rio de Janeiro southwards) belonging to a family of livebearers (Trendall and Johnson 1981, McDowall 1999, Allen et al. 2002, Wolff et al. 2007). It is k...
This is the first stock assessment of black bream (Acanthopagrus butcheri) in the South Australian Lakes and Coorong Fishery, and builds on previous stock status reports (Ferguson 2006...
In summary, the expected recruitment into the SZRLF from the 2002 puerulus settlement pulse was not observed during 2007 and for the fifth consecutive season CPUE decreased. In some areas at least, this decrease is likely to reflect the continued high level of exploitation within...
In summary, the 2007 NZRLF zonal catch of 459.2 tonnes is the second lowest in the history of the fishery representing the fifth consecutive season in which the TACC has not been caught. The 2007 zonal catch rate of 0.76 kg/potlift (Nov-Apr inclusive) is the lowest CPUE on record...
The olive perchlet is a small-bodied native fish that grows to around 78mm, but is more commonly found around 50mm in length. It is oval shaped and laterally compressed with large eyes and mouth and prominent dorsal fins. The colour ranges from olive green to almost transparent (...
Populations of fur seals on most subantarctic islands were severely over-harvested last century. Fur seals (Arctocephalus spp.) were abundant at Macquarie Island (54o 30’ S, 158o 56’ E) when sealers discovered it in July 1810. Intense and indiscriminate harvesting followed, which...
This fishery assessment report for the Central Zone (CZ) of the South Australian abalone fishery updates previous fishery assessment (Mayfield et al. 2006) and stock status reports (Mayfield & Carlson 2007), and is part of SARDI Aquatic Sciences ongoing assessment program for the...
The Lower Lakes, Coorong and Murray Mouth region has been recognised as a wetland of international importance under the Ramsar Convention since 1985 and represents one of the six ‘icon sites’ identified across the Murray-Darling Basin (MDB) under The Living Murray Program (MDBC 2...