Warning of hefty penalties for reef picking

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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 reports from members of the public who have observed people taking organisms off intertidal reefs. The taking of marine organisms […]

Alan Paskett - Sepia apama, Black Point, 3-4m June 2014

Cuttlefish of South Australia

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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 discuss cuttlebones with friends or strangers, I’m usually met with surprise at the revelation that cuttlebones found in beachwash along the […]

Scientists studying the mating tactics of giant Australian cuttlefish

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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 is some short video footage by Roger Hanlon from the Marine Biological Laboratory in Woods Hole, Massachusetts available. According to […]

Black Cowry (Zoila friendii thersites) at Port Noarlunga - Dan Monceaux

Black Cowry (Zoila friendii thersites)

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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 animal I sighted was perched quite conspicuously on a large yellow/orange sponge in about three metres of water. I later […]

Sepia officinalis © Sebastian Niedlich CC BY-NC-SA 2

New research shows shipping sound impacts cuttlefish

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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 these results should trigger increased research efforts into the impact of shipping noise on the Giant Australian cuttlefish aggregation at Point Lowly, […]

cuttlefish and purple sea urchin at Point Lowly by Dan Monceaux

Aristotle’s lantern and other ‘invertebrate bits’ by Heather Robertson

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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 own words, “Aristotle’s lantern… is a hard, calcareous feeding structure comprised of very intricate parts unique to sea urchins.” Here […]

Alan Paskett - Sepia apama, Black Point, 3-4m June 2014

Marine Life Society of South Australia slams cuttlefish acoustic impact study

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The Marine Life Society of South Australia has condemned a recent study into the potential impact of shipping noise on the Giant Australian Cuttlefish aggregation claiming that the study is scientifically flawed and does not prove that shipping has not adversely affected the population. The Society is concerned that the […]

The carbon footprint of dive tourism – are we loving our oceans to death?

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It is with mixed feelings that I frequently see people I know raving about their next dose of international ecotourism, be it diving with whales in Tonga or on tropical reefs in any of our Pacific island neighbours’ waters. On the one hand, I respect my peers enthusiasm for diving, […]

Western Blue Groper

Evolutionary biologist Professor Steve Donnellan’s ‘Wild lives of wildlife’

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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, […]