DSC_5876 Tunnelling mud crab (Austrohelice crassa) scavenges through mud for organic detritus, and occassionally feeding on bleached decomposing sea lettuce. Tolerant of fresh water, and penetrating far into estuaries. Otago Harbour *
11006-574003 Tunnelling mud crab (Austrohelice crassa) agressive encounter between males. Scavenge through mud for organic detritus, occasionally feed on bleached decomposing sea lettuce. Tolerant of fresh water, and penetrating far into estuaries. Miranda *
DSC_7444 Tunnelling mud crab (Austrohelice crassa) excavating burrow. Scavenges through mud for organic detritus, and occasionally feeding on bleached decomposing sea lettuce. Tolerant of fresh water, and penetrating far into estuaries. Papanui Inlet, Otago Peninsula.
