Jun 13

June 13, 2016

Jun 12

June 12, 2016


The naming of the Bluefin Leatherjacket, Thamnaconus degeni

David Muirhead took this photo of a male Bluefin Leatherjacket, Thamnaconus degeni, at the Noarlunga Tyre Reef: – Photo of a male Bluefin Leatherjacket, Thamnaconus degeni (Taken by David Muirhead at the Noarlunga Tyre Reef) The leatherjacket was named by a Mr C Tate Regan in 1902 (or 1903). He named it Pseudomonacanthus degeni at the time. It later became Thamnaconus degeni CAAB Code:37465037). So Thamnaconus degeni is now the accepted  name for the species, whilst Pseudomonacanthus degeni is a…

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Jun 9

June 9, 2016

The results for the first ACSA national survey about public participation in marine citizen science are now online

Gretta Pecl, Les Christidis and Vicki Martin have now published the results for the first Australian Citizen Science Association national survey about public participation in marine citizen science. The results are now online in BioScience at http://bioscience.oxfordjournals.org/content/early/2016/06/01/biosci.biw070 . “Public Interest in Marine Citizen Science: Is there Potential for Growth?” by Martin, V. Y., Christidis, L., & Pecl, G. T. (2016) (BioScience. doi: 10.1093/biosci/biw070) examines the level of public interest that there is in volunteering for marine citizen science and the types of people who are most likely…

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Jun 6

June 6, 2016

beachcast octopus 2016

Large Octopus Beach-washed at Petrel Cove

We recently received an email message reading “Howdy! I found this Octopus washed up at Petrel Cove and I can’t figure out what species it is. I estimate its leg span to be about 1.5m. Annelise Johnson” The message was accompanied by this photo of the beach-washed octopus: – Our reply to Annelise was: “Hi Annelise, That’s a beauty! The one species that occurs in SA with a large leg span is the Maori Octopus (up to 3m). What became…

Posted in Cephalopods, Molluscs | By

May 27

May 27, 2016


Tumby Bay Author, Eric Kotz

Tumby Bay author, Eric Kotz self-published his second book in February 2016. It is titled “The Jawsome Coast”, sub-titled “A Social History of Australia’s Southern Coastline and the Effect on it of the Great White Shark, its Conservation ‘Industry’ and Shark Tourism”. We assisted Eric in presenting his new book at a meeting of the Underwater Explorer’s Club of SA on 6th April. I attended that meeting to hear Eric speak about the book and I was able to purchase…

Posted in Achievements, Creative writing, Maritime History | By

May 11

May 11, 2016

May 11

May 11, 2016

May 11

May 11, 2016

May 11

May 11, 2016


ANZAC Day dive at Carrickalinga

When David Muirhead suggested that we dive at Carrickalinga for our Anzac Day dive (25th April), I happily agreed, since I hadn’t dived there recently, or very much at all for that matter. It seems that no one else was able to join us that day, so it was just the two of us that met at the car park there on the seafront. We simply had to gear up in the car park and walk down a ramp onto…

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Mar 30

March 30, 2016