Species
Blue Manna Crab
Portunus armatus
Also known as northern blue swimmer crab
Tier 3Eating9/10ultralight tackleQLDWANT
0 waypoints~12–18 cm typical
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Where to catch
Range & spots
No mapped spots for this species yet.
This species is in the catalog but not yet linked to any mapped waypoint.
Overview: about blue manna crab
Tropical-northern equivalent of the southern blue swimmer crab, common in northern Australian inshore waters and estuaries. Same techniques, same eating — top-class table crab.
Biology: Blue Manna Crab size, diet & habitat
- Habitat
- Bay, Estuary, Inshore
- Typical size
- 12–18 cm (max 23 cm)
- Weight
- 0.3–0.8 kg
- Depth range
- 0–30 m
- Diet
- small fish, molluscs, scavenger
- Global range
- Indo-West Pacific
How to target: Blue Manna Crab angling strategies
Generally fished with ultralight tackle — match gear to the conditions and the size of fish you expect.
- witches hats
- dilly nets baited with mullet
Best season: when to catch blue manna crab in Australia
No seasonal pattern for blue manna crab 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 manna crab fishing spots in Australia
No mapped spots or marks for blue manna crab yet. As waypoints are added that list this species, they'll appear here.