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Author Topic: Shannon Lagoon - Fishery Performance Assessment  (Read 65 times)

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Shannon Lagoon - Fishery Performance Assessment
« on: November 06, 2017, 04:01:56 PM »
Shannon Lagoon - Fishery Performance Assessment

Shannon Lagoon is a fishery that receives very little attention from anglers.  However, a recent survey of the brown trout population suggest this water may well be worth the extra effort.
Using 40 box traps over two nights, we captured 106 brown trout and one rainbow trout.  The average weight of the resident Shannon Lagoon fish was a healthy 1.25 kg.  Even more impressive was the fact that 68 percent of the fish weighed between 1 – 1.5 kg, with some fish weighing in at just over 2 kg (see table 1 below).   
Weight Range (kg) Percentage
0.5 – 0.75 1
0.75 – 1.0 12
1.0 – 1.25 33
1.25 – 1.50 35
1.5 – 1.75 12
1.75 – 2.0 3
2.0 – 2.25 4
Table 1: Percentage of brown trout in each 0.25 kg weight range. 
During the survey we also captured 25 tagged fish that were released into the lagoon during July 2017.  These fish were sourced from the Lake King William trap and released into the lagoon to enable us to estimate the size of the population.  Our survey data suggests Shannon Lagoon has a population of around 2,200 brown trout.  Given the extremely shallow nature of the lagoon, this figure is within our expectation. 

Anglers should consider throwing a line in the lagoon as the catch may surprise you!
Source: Shannon Lagoon - Fishery Performance Assessment


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