Dec 12

December 12, 2017

Tropical Fish Cleaners and Their Mimics

I first heard about terms such as ‘symbiosis’ and ‘mimicry’ when I began researching for my “The Colour of Fish” articles in 1979. I probably also read about fish cleaners for the first time back then. I discussed symbiosis in my 1980 Journal article “The Colour of Fish”, saying “Symbiosis exists between clownfish and some sea anemones. The stinging tentacles... Read more

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Dec 6

December 6, 2017

Congolli (Pseudaphritis urvillii) discovered in five freshwater rivers across Kangaroo Island

Environment Minister Ian Hunter issued a Press Release on 5th December 2017 concerning the recent discovery of 27 congolli in 5 rivers on KI. It announced that a fish species known as congolli had been discovered in freshwater rivers across Kangaroo Island for the first time. The presence of congolli on Kangaroo Island suggests that the island’s rivers are providing... Read more

Posted in Bony fishes, Coastal species, Freshwater systems, Research | By

Dec 5

December 5, 2017

Port Jackson Shark Aggregations

Recent aggregations of Port Jackson sharks at both Port Noarlunga and Aldinga created much interest in this annual event. I was encouraged to review past articles that were published in our newsletters back in 2006. Our September 2006 newsletter included this article: – “Port Jackson Shark Congregations” by Steve Reynolds Large numbers of Port Jackson Sharks, Heterodontus portusjacksoni, will congregate... Read more

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Dec 1

December 1, 2017

South Australian Dive Medical Practitioners & Medical Facilities

SA Dive Medical Practitioners A dive medical can be done through the RAH Hyperbaric Medicine Unit; Ph: 7074 0000 or at one of the private practises listed below. Make sure you tell the receptionist that you require an occupational/commercial dive medical. Doctor Address Phone Dr Alexander Kleinschmidt SA Sports Medicine Ctr, 70 South Tce, Adelaide SA, 5000 (08) 8211 8002 Dr. S.L.... Read more

Posted in Emergency, Medical, Safety | By

Dec 1

December 1, 2017

UPSKILL STUDY PROGRAMS AT THE UDAYANA UNIVERSITY

The Marine Life Society of South Australia is promoting a semester abroad program at the Udayana University in Bali, Indonesia to South Australian students. The Udayana University in Bali, Indonesia will be conducting a 16-week international study program in the field of Tropical Biology and Marine Conservation. This program aims at raising environmental awareness and motivating and recruiting future conservationists.... Read more

Posted in Courses, Education, Mangroves, Research | By

Nov 24

November 24, 2017

Syngnathid Hotspot

This photo of the Normanville SLSC was taken from the “Syngnathid Hotspot” site: – Normanville SLSC (Taken by David Muirhead) ‘Syngnathid Hotspot’ (colloquial term only) is that area of shallow sand and seagrass directly off of the Normanville SLSC (roughly a hectare in total area and max depth is 5m but most of the pipefish are at 2-3 m depth)... Read more

Posted in Bony fishes, Citizen Science, Syngnathids | By

Nov 16

November 16, 2017

Great, scalloped or smooth? How to identify a hammerhead shark

As a South Australian snorkeler, typically drawn to shallow, inshore waters, I haven’t had first-hand contact with hammerhead sharks. As a child I found them fascinating; their distinctive T-shaped heads an apparent freak of evolution. In 2014 my interest in hammerhead sharks was renewed. That year, Western Australia introduced a shark culling policy in response to a number of human... Read more

Posted in Sharks & Rays | By

Nov 13

November 13, 2017

Juvenile Rock Flathead at the Glenelg Tyre Reef

Alex Suslin always has an eye for unusual marine life sightings. This time, he found this unusual flathead on the Glenelg Tyre Reef on Thursday 9th November: –   He was able to take a couple of photos of the flathead: –   Alex sent the two photos in to our Society for identification: – “Hi Steve, any chance you... Read more

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Nov 13

November 13, 2017

The Colour of Fish

In 1979, I wrote a couple of articles concerning the colours of fish. It all started after I had read an article by respected fishing writer Dick Lewers in the September 1971 issue of “Modern Fishing” magazine. Lewers’ article titled “Colour it Blue” in “Modern Fishing” had caught my eye and it started my interest in writing about marine life... Read more

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Nov 4

November 4, 2017

The Beachport boat ramp issue

We recently received an email request from a student for our assistance with their school project. The student agreed to take on the degradation of the beach at Beachport as their topic. The degradation was thought to have been caused by a boat ramp being placed on the beach in the wrong position. I sent the following details to the... Read more

Posted in Coastal activities, Pollution | By