Scientists’ plan to replenish marine life by 2050

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(As published in the May 2020 newsletter of the Scuba Divers Federation of South Australia) UN Sustainable Development Goal number 14 aims to “conserve and sustainably use the oceans, seas and marine resources for sustainable development”. Scientists have now put a 30-year plan together to achieve that aim. These scientists […]

Nudibranchs and other sea slugs of the Port River, South Australia

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The Marine Life Society of SA was recently asked which species of sea slugs (which include nudibranchs) are found in the Port (Adelaide) River. We’ve only just started exploring the river underwater, so the list below is very much a work in progress. Prior to 2017, as far as we […]

Aldinga Rd lead merchant, Willunga

What to do with old fishing gear found while snorkeling or diving?

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Divers and snorkelers often come across discarded or entangled fishing gear underwater. Unsurprisingly, the problem is most pronounced around rocky points or jetty structures where people regularly fish. Responsible divers do the right thing, and where practical, cut loose and bring ashore any gear they encounter… though one must be […]

Elysia expansa, Fletcher's Dock 2018

The Port River – over 100 marine and coastal species and counting

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I was first inspired to pay more attention to this often overlooked ecosystem by the discovery of the upside-down jellyfish, Cassiopea sp. there in 2016 by MLSSA president and area resident, Steve Reynolds. My personal explorations soon followed, beginning at Garden Island. There, a snorkeller can easily step into the […]

Dredging at Outer Harbor

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Dredging will again be carried out in the Outer Harbor shipping channel and the swing basin next winter. The EPA has recommended that Flinders Ports use a smaller dredging vessel than what was used 13 years ago. In 2005, dredge spoil spread down Gulf St Vincent, reducing visibility and smothering […]

Southern Bluefin Tuna (Carl Charter)

Dan Monceaux’s submission to the Development Assessment Commission regarding Oceanic Victor’s marine aquarium proposal

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To the Secretary, members of the Development Assessment Commission and any interested parties, Please accept my personal submission in response to development number 010/V030/15 – a proposal for the development of an “in sea marine aquarium in Encounter Bay” made by Oceanic Victor Pty Ltd. I am providing this submission […]

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 […]