Species
Blue Manna Crab
Portunus armatus
Also known as northern blue swimmer crab
Tier 3Eating9/10ultralight tackleQLDWANT
0 waypoints12–18 cm (max 23 cm) typical
Regulations
QLD12 cm min · bag 10NT11 cm min · bag 30
| State | Size | Bag |
|---|---|---|
| QLD | 12 cm min | 10 |
| NT | 11 cm min | 30 |
Regulations change. Always verify with the relevant state fisheries authority before fishing.
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
Recent community catches: anglers who caught blue manna crab
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More information: blue manna crab references & sources
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