Species
Giant Mud Crab
Scylla serrata
Tier 2Eating10/10ultralight tackleNSWQLDWANT
1 waypoint~12–18 cm typical
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Range & spots
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Overview: about giant mud crab
Heavyweight estuary crab of QLD, NT and northern WA — also found into northern NSW. Targeted with baited crab pots in mangrove creeks, tidal rivers and mud flats. Strict pot, size and bag rules in every state — only males may be kept in most regions, no berried females ever.
Biology: Giant Mud Crab size, diet & habitat
- Habitat
- Estuary, River
- Typical size
- 12–18 cm (max 28 cm)
- Weight
- 0.5–1.5 kg (max 3.5 kg)
- Depth range
- 0–10 m
- Diet
- molluscs, small fish, detritus, crustaceans
- Most active
- nocturnal
- Global range
- Indo-West Pacific (Scylla serrata)
How to target: Giant Mud Crab angling strategies
Generally fished with ultralight tackle — match gear to the conditions and the size of fish you expect.
- round pots baited with mullet frames or chicken in tidal creek mouths
- dilly nets set against mangrove banks on incoming tide
- secure pots above HWM in croc country and check before sundown
Best season: when to catch giant mud crab in Australia
- QLD
- Oct-Apr (full moon and wet season peaks)
- NT
- Mar-Jul (wet season run-off)
Seasons shift with water temperature and local conditions, so check recent reports before a trip.
Where to catch: giant mud crab fishing spots in Australia
One mapped fishing location for giant mud crab across Australia, covering land-based fishing and jetty and wharf fishing. Each location below links through to access notes and coordinates.