The 28th of May was a beautiful morning with a cool north-westerly wind blowing. The water in the Brunswick River was crystal clear. But the big bait schools that had been in the lower reaches of the river had moved on. I cast around with lots of different soft plastics on my light spinning rig, loaded with 10lb breaking strain fluorocarbon leader, but I did not get a bite.

When I can’t catch a flathead in a spot where I usually have, my constant question with is – Are they still there but not eating or have they moved on? I think my current conclusion is that they move up and down the river systems with the moon cycle and therefore the stronger current flow, on the bigger tides. Sometimes this process is interrupted by excessive amounts of food in a particular area or spawning and they stay in the same spot for almost the whole lunar cycle. The advantage with flathead is that even if you are not catching them you can usually see where they have recently been from their ‘lies’. These are the marks they leave in the sandy bottom.

On the 1st of June I fished on the south side of the river, upstream of the caravan park and Mangrove Island. I was in my waders – even though the water is still fairly warm. I started in the area where the river narrows and turns to the south. This is where the seagrass beds start to appear and it looks like very good flathead territory. I came across a few big flathead lies so felt fairly confident that the fish had moved up stream.

I started at about 11.30 am and fished through the second half of the run out tide. I cast a few soft plastics from the shallows and caught three flathead of which two would have been legal to keep. I released them all. Unfortunately the stretch of river further up from here is pretty hard to access so I may have problems testing my flathead movement theories. I finished fishing just after 1.30 pm.