August 6, 2014
Several members of the Marine Life Society of South Australia attended a talk hosted by Butterfly Conservation SA last night. The guest speaker was Professor Steve Donnellan from the South Australian Museum’s Evolutionary Biology Unit, who led us on a curious tour through the sexual hardware of a wide range of terrestrial, avian and marine species. Diversity was the order of the day, and Steven made the point very clearly that the purpose of sex is to reproduce, and so long as…
July 9, 2014
On 3rd July 2014, Society member David Muirhead found a single half of a ‘Giant Cockle’ valve (105mm max diameter) in a sand dune cutaway at Brighton beach, South Australia. David took a series of photographs of the specimen, including the following images: – The half valve with brown adductor scars According to David, the ‘Giant Cockle’, Eucrassatella donacina, is now being called the Smooth Crassatella. “Currently only 9 records are ‘up’, all from SA and WA, mainly SA….
April 6, 2004
On 29th Feb. 2004, the second of what is now an annual expedition to explore a South Australian island group, began with great excitement at the Althorpes island group. The last trip was to the Nuyts group and next year it will be the Investigator/Sir Joseph Banks group. The Althorpes are approximately 8 km SW of Innes National Park and can easily be seen from the mainland of the Yorke Peninsula. Althorpe Island has a long European history with its lighthouse…