Why 2–4 kg is the Australian estuary standard
Almost every estuary species that matters here — yellowfin bream, dusky flathead, sand whiting, estuary perch, school mulloway, luderick on lures — is caught on line between 4 lb and 12 lb. A 7-foot rod rated 2–4 kg sits exactly in that window. It loads with a 3 g jighead so you can cast a 2-inch plastic 20 metres into a breeze, and its tip is soft enough that a bream inhaling a plastic on the drop does not feel a wall of graphite and spit it out.
Rods rated 4–8 kg, which shops often push as "all-rounders", are genuinely too stiff for this. They cast heavier weights, pull small hooks out, and mask the subtle bites that make up most estuary fishing. If you only ever buy one Australian estuary rod, buy the 2–4 kg.
Length matters less than rating, but 6'10" to 7'2" is the practical sweet spot: long enough to cast off a bank or a boat gunwale, short enough to work under mangrove branches and to fish from a kayak without clipping the water on every cast.
