
By Neil Grose | Tasmania, rightly or wrongly, has an international reputation for very large trout. Most locals, however, would recognise that big trout are very much a rarity.
By big trout, I really mean anything over 8 pounds. Big fish, of course, are relative. A 2 pounder in the St Patrick’s River is a giant, a 5 pounder in Lake Crescent is perhaps only average!
In the heydays of Lake Pedder, 10 pounds was considered well below par and Great Lake in 1870 saw plenty of double figure fish!
Much of the ‘big fish’ reputation was gained on the back of numerous new Hydro impoundments that caused an acceleration of trout growth.
Lake Pedder is the prime example of this; the artificial raising of the water level led to a massive explosion in midges, which caused a massive explosion in mudeyes and galaxia, which ultimately led to a massive increase in the average size of the trout.
It has been quite some time since a new impoundment has created the conditions for accelerated growth, (and no more are planned), so as a result in these post Hydro growth days, we will have to work a bit harder, (or get luckier) if we are to crack the big fish bonanza.

You would be hard pushed to mention any lake in Tasmania and completely rule it out as a big fish venue. I have seen photos of 12 pound fish from Pine Tier Lagoon, 16 pounders from Arthurs Lake, 20+ pounders from the Tyenna River and quite a few 8 pound plus fish from the junction of the St Patrick’s and the North Esk River.
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Whilst I offer a view of the system through fly fishers eyes, real opportunity exists for lure and plastic enthusiasts.






