General News
14 July, 2026
How to hook mangrove jack
MANGROVE jack is one of the most popular sportfish in Australia.
They are hard fighters and put up a great battle, making them a favourite amongst anglers.
Catching mangrove jack can be challenging, but with the right techniques it is possible to land these fish almost every time.
Mangrove jack are a predatory fish found in estuaries and coastal waters throughout Northern Australia.
They are a member of the Lutjanidae family of tropical snappers and are commonly called mangrove jacks or reef jacks, depending on where they are caught.
According to DAF, estuary-caught male fish mature at around 4-5 years old (45-50 cm long), with females maturing between 5-8 years old (50-55 cm). Maximum age may exceed 31 years.
Anglers can find mangrove jack along the northern coastline of Australia and even in freshwater sections of estuaries and rivers.
Mangrove jack are typically bright red but can vary in tones of brown, pink, or silver-grey depending on their habitat, earning the nickname “red dogs.”
They have a shallower caudal pit compared to red bass, which helps with identification. Mangrove jacks are known for their aggressive feeding behaviour and will attack bait and lures forcefully.
Due to their strength, using heavier line and leader is recommended – typically, 30lb braid with a 50lb mono leader is sufficient.
Mangrove jack can be caught throughout the year in sub-tropical and tropical Australia, but the best time is from October to March, particularly on humid days or nights with high barometric pressure and warm water temps.
They are active during daylight hours in shaded areas and at night, where larger versions aggressively hit live baits.
In Queensland the limits are 35cm and possession limit of five.
Mangrove jacks are predatory and feed on baitfish, prawns, crabs and other crustaceans.
The best bait depends on the location and conditions.
Mangrove jack also respond well to artificial lures, including soft plastics, spinnerbaits and crankbaits.
Matching the bait or lure to local prey (“matching the hatch”) increases the chances of success.
Fishing gear varies based on location and conditions. Some anglers prefer a soft-tip rod with a strong mid-section, while others opt for a stiffer rod with a line weight of 10-15kg. Abrasion-resistant leaders and strong knot connections are essential for handling these powerful fish.
Some of the best live baits include prawns, crabs and poddy mullet. These baits should be selected based on the fishing environment and local prey availability.
Mangrove jack are effectively caught with a variety of lures. Deep-diving lures work best to reach larger fish in deeper water. Aggressive wobbling lures in the 40-60mm range create more vibration, helping attract mangrove jack from a distance.
When fishing for mangrove jack, use a mix of fast and slow retrieve techniques. Soft plastics, spinnerbaits and crankbaits work well with a fast retrieve to maximize vibration and attract mangrove jack.
– Derek Maynard, Tackle World Australia
Read More: Far North