Species
Blue Threadfin
Eleutheronema tetradactylum
Also known as fourfinger threadfin
Tier 3Eating8/10light tackleQLDWANT
6 waypoints~40–80 cm typical
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Range & spots
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Overview: about blue threadfin
Northern Australian threadfin — same fish many people call blue salmon. Found on estuary flats, beaches and creek mouths from northern WA to QLD. Targeted with soft plastics, vibes and prawn imitations around the tides; excellent on light tackle and prime table fare.
Biology: Blue Threadfin size, diet & habitat
- Habitat
- Beach, Estuary, Inshore
- Typical size
- 40–80 cm (max 120 cm)
- Weight
- 1–4 kg (max 12 kg)
- Depth range
- 0–25 m
- Diet
- prawns, small baitfish
- Most active
- diurnal
- Global range
- Indo-West Pacific tropics
How to target: Blue Threadfin angling strategies
Generally fished with light tackle — match gear to the conditions and the size of fish you expect.
- soft vibes and prawn-imitation plastics on the bottom of dirty-water tropical estuaries
- live prawns under a float on the last of the run-out
- metal blades hopped through current seams
Best season: when to catch blue threadfin in Australia
No seasonal pattern for blue threadfin yet. Seasons shift with water temperature and local conditions — check state fisheries advice and recent local reports before planning a trip.
Where to catch: blue threadfin fishing spots in Australia
6 mapped fishing spots, marks and waypoints for blue threadfin across Australia, covering land-based fishing, estuary fishing and freshwater fishing. Each location below links through to access notes and coordinates.