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.
DSC_3337 Tunnelling mud crab (Austrohelice crassa) tunnel with characteristic balls of excavated sand deposited outside at low tide. Papanui Inlet, Otago Peninsula *
