Australian bass are off limits in Queensland waters from June 1 to midnight, August 31, 2010.
Queensland Boating and Fisheries Patrol (QBFP) district officer Brett Depper said the bass were off limits at this time due to their breeding cycle.
"This period is aligned to the breeding cycle of Australian bass populations within Queensland's south east river systems," he said.
"Australian bass migrate down rivers within their natural range to spawn within the brackish marine systems at this time of the year.