DSC_18402 Crayfish, or Red rock lobster (Jasus edwardsii) underside of juvenile showing long muscular abdomen (the tasty 'tail') compared with underside of a Smooth shore crab (Cyclograpsus lavauxi), where abdomen is reduced and ticked away. Femail crabs primarily use the abdomen for carrying eggs. Portobello Marine Laboratory, Otago *
DSC_7905 Crayfish, or Red rock lobster (Jasus edwardsii) underside of juvenile. Crayfish feed on a variety of invertebrates including star fish, urchins, mussels, scallops and clams. They aggregate in caves and crevices during the day venturing out on to soft sediments at night to feed. Portobello Marine Laboratory, Otago
DSC_2489 Half crab, or kokoriki (Petrolisthes elongatus) found under rocks in the low tide zone. Otago Harbour, Portobello.
