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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Presented from Issue 100
Considering the world class quality of our sea trout fishery, these fish are not sought after by enough anglers. Sea runners live in the salt water and run up our estuaries and rivers from the start of August to the middle of November. At this time of the year, they are here to eat the many species of fish that are either running up the rivers to spawn or are living in and around the estuary systems. Trout, both sea run and resident (Slob Trout) feed heavily on these small fish which darken in colouration as they move further into fresh water reaches.
The majority of these predatory fish are brown trout with rainbows making up a very small percentage of the catch. They can be found all around the state but it would be fair to say that the east coast is the least prolific of all the areas. They still run up such rivers as the Georges (and many others) but their numbers along with the quality of the fishing elsewhere make it difficult to recommend the area above the larger northern, southern and western rivers.Read more ...