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Lake Borumba bass update
THE following dashboard pro- vides a sum- mary of Australian bass data from Lake Borumba covering the past 10 years, from 2011-2020.
2629 fish tagged for 208 recaptures, with a recapture rate of 7.9 percent over the past 10 years.
10 years, 22 have been recaptured below the dam, with 11 caught in Yabba Creek and 10 in the Mary River.
Gympie with 37 fish- ers, 4014 from Vir- ginia with six fishers, 4505 from Burpen- gary with six fishers, and 4305 around the Ipswich area with five fishers.
There have been six fish recaptures by fishers with postcodes outside of Queens- land, with four from NSW, one from Vic- toria and one from Western Australia.
As at November 20, the Borumba Dam level was at 80 per- cent.
The longest time out for a tagged bass is 11.5 years, but that is expected to be longer as tagging has only been significant since 2008.
Most recaptures were by fishers from postcodes: 4570 from
The catch rate for 2020 was 8.4, which was above the 10-year average historic catch rate of 5.6 fish per fisher per day.
Annual growth cal- culated from tag re- captures at the end of year one was 32mm and at the end of year five was 89mm.
The average length of Australian bass in 2020 was 312mm and ranged from 200- 470mm.
During the 10-year period, fish have been tagged in length of growth period map grids E34 with 782 fish, D34 with 299, F34 with 231, G33 with 208 and G34 with 200.
The percentage of le- gal fish in 2002 was 59.6 percent, with 0 percent of trophy fish 500mm and over.
Of the 208 fish re- captured over the past
There have been
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