Richard (Dick) Essex Barwick was an influential researcher whose interests spanned many branches of biology and zoology, including herpetology, vertebrate morphology, paleontology and evolutionary biology. Although born and raised in New Zealand, he spent much of his career in Australia and made considerable contributions to Australian zoology until his death in 2012. This special issue comprises theoretical and original research articles, some of which are authored by Dick Barwick's own students, collaborators and friends. Topics include the evolution of morphological fitness landscapes; fish evolution; the effects of environment on populations of fish or herpetological species; and the importance of functional morphology in animal activity.
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