"Australia's Euastacus crayfish, the largest of the 10 genera of Australian freshwater crayfish. We cover the full 50 Euastacus species found in Australia, from the iconic giant Murray lobsters (Euastacus armatus), which are recreationally fished, to
the exceedingly rare tiny species, like Euastacus maidae from the New South Wales-Queensland coastal border region ... The Euastacus crayfish are referred to as 'spiny crayfish' because they have impressive arrays of spines on their hard armoured shells."--Preface
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