The most sought after of the Threadfins. Threadfins are named after the long filamentous rays (threads) ahead of their low pectoral fins. They are a fine sport fish and make great eating. Often caught while chasing Barramundi or Mangrove Jack they are a welcome addition to any catch. King Threadfin are the largest of the seven species of threadfin found in Australian waters. They normally grow to between 50 cm and 90 cm in length, although there have been many cases of it growing to over 130 cm in length from the Brisbane River inAustralia. They range in weight from 1 kg to 15 kg with average being 3.5 kg.
How To Identify:
The King Threadfin usually have five long filaments below the pectoral (side) fin. Their body is without spots and stripes, and the second spine of dorsal fin is more robust. Lower tip of 7th proximal pterygiophore of 1st dorsal fin is directed backward.
How To Catch:
The King Threadfin are typically bottom feeders but towards dusk will pray on small fish. Mouths of creeks or channels inside river deltas is a prime location to fish these species. These fish have huge mouths that can accommodate big baits. Large fish are taken at night using live bait. Once the bait is taken wait until the fish moves away and swallows it before setting the hook. Live prawn or fish bait fished 1m under a float close to snags or bank is productive.
Is a Threadfin native to tropical waters of northern Australia and southern Papua New Guinea.
King Threadfin are mostly a northern Australian estuarine fish found on the east coast. They tend to keep close to the coast along beaches and in bays and estuaries with an attraction to mud flats, muddy rivers and creeks with sunken timber.