Many land–based shark fishermen use catch and release techniques and participate in tagging programs to advance limited scientific knowledge of migrations and growth rates among other data.
Effective chumming involves spreading a long trail of significant amounts of fish blood and oils through a current to create a scent line.
[citation needed] Along the east coast of Australia, land-based game fishing can be divided into two fairly distinct geographic regions.
On the north coast of New South Wales, from approximately Sydney northwards, light tackle is generally used, with smaller target species such as longtail tuna, Spanish mackerel and cobia.
Particularly noted are the rock platforms of Jervis Bay, where black marlin of up to 91 kg (200 lb) have been caught using bait floated out on balloons.