The Predatory Behaviour of an Eleven-armed Star Fish
During our recent dive at Rapid Bay jetties, I recorded a large eleven-armed star fish attacking an abalone. I have to admit that I set the whole thing up though.…
Marine Life Society of South Australia Inc.
Understanding, enjoying and caring for our oceans
During our recent dive at Rapid Bay jetties, I recorded a large eleven-armed star fish attacking an abalone. I have to admit that I set the whole thing up though.…
Bernard C. Cotton was a Curator of Molluscs at the SA Museum in North Terrace, Adelaide, South Australia. According to “Australia’s Spectacular Cowries” by Barry Wilson and Peter Clarkson (mlssa…
In November 2013, I hosted Vasilis Gerovasileiou from Greece during his visit to South Australia. We only managed one dive together though. We managed a dive at Rapid Bay jetty…
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…
That heading comes from PIRSA as part of a warning to fishers regarding rules for removing organisms from intertidal reefs in SA. Reef Watch says that it gets quite a few…
Before I embarked on the production of the documentary film Cuttlefish Country, I had little appreciation of the diversity of cuttlefish species which are found in South Australian waters. When I…
When giant Australian cuttlefish, Sepia apama, mate, they meet head-to-head and embrace. The male uses a specialised arm to squirt his sperm in to the mouth of the female. There…
Yesterday, while snorkeling at the Port Noarlunga reef in near perfect conditions I was fortunate enough to encounter a South Australian endemic gastropod mollusk, the Black Cowry (Zoila friendii thersites). The…
Cuttlefish become stressed when exposed to shipping sound and panic when exposed to loud, low-frequencies, according to two scientific papers published this year. The Marine Life Society of South Australia believes that…
Heather Lynn Robertson/Stoker writes a blog on marine invertebrates entitled Aristotle’s Lantern. As the title of her blog suggests, Heather seems to be particularly keen on sea urchins. In her…