A new study by researchers at The University of Queensland has revealed that the impressive claws (chelae) of freshwater crayfish come with certain costs: The size slows their swimming and saps energy ...
Giant freshwater crayfish, longer and bulkier than today's species, roamed New Zealand 20 million years ago. They would have made a perfect snack for the crocodiles and trout-sized whitebait that ...
A colony of crayfish has been discovered in Devonshire Marsh, sparking fresh warnings about invasive species. In the latest edition of the Envirotalk Newsletter Mark Outerbridge, a senior biodiversity ...
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