Complex sentence: Relatively long-lived fish, Australian salmon are a favored target of recreational fishers, and both commercial and traditional Māori fisheries; the fish are also common bycatch of the snapper, mullet, trevally, and mackerel fisheries.
Split into simpler sentences: Relatively long-lived fish, Australian salmon are a favored target of recreational fishers, and both commercial and traditional Māori fisheries. They are also common bycatch of the snapper, mullet, trevally, and mackerel fisheries.