The first Atlantic salmon eggs used to begin Tasmania's Atlantic salmon aquaculture industry were introduced into Tasmania in 1984. From these humble beginnings a valuable Tasmanian industry has evolved with a worldwide reputation for having a premium disease free product. This industry provides a spin off to all anglers in the form of regular escapes of salmon from the farms.
Great Lake rainbow trout in excellent condition
Despite the low lake level at Great Lake rainbow trout arrived at the Liawenee fish trap in good numbers this year.
The fish were stripped of eggs and milt for grow out of the fertilised eggs at the IFS hatchery at New Norfolk. While this has been the practise for some time, this is the first year in recent times that eggs from wild rainbow trout have been treated at Liawenee to produce triploid fish.
Once fertilised, the eggs are treated in a pressure vessel to produce offspring that are sterile (triploid) in the sense that they do not produce gonads (sex organs). The consequence of this process is that the fish do not stop feeding in winter and do not put any energy into reproduction. The end result that the fish have the potential to grow larger in a shorter amount of time.
Greg French looks at shore-based fishing at Great Lake
At the beginning of November Great lake was already within .8m of the all-time high level mark of 1035.48 (i.e. 3.89m below full supply) attained in October 1997 - and it was still rising. There is a distinct possibility that this coming summer the lake will edge out over new ground. Such an event dramatically affects trout behaviour.
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Recently Atlantic salmon seems to be a very hot topic amongst local anglers, especially those in the south of the state in the D'Entrecasteaux area. Northern anglers should take a close look at the Tamar as there are opportunities here as well.
The recent "great escape" has provided a perfect opportunity for fresh and saltwater anglers alike to experience some truly memorable sport. Tasmania's pristine, clean and cool waters are the perfect nursery for the Atlantic Salmon and as our local fish farms produce more and more fresh quality seafood it is a fact that there are going to be tangible consequences.