Viewing: Bony fishes

Feb 4

February 4, 2018

The study of fish cleaning behaviour in South Australian waters

Several papers and publications either authored, co-authored or edited by our Patron, Dr Scoresby Shepherd, detailed his early work regarding the study of fish cleaning behaviour in South Australian waters. These include:- “Paradise is Underwater – Memoir of a marine biologist” (2016) by Dr Scoresby A. Shepherd AO (p.261). “Ecology of Australian Temperate Reefs – The Unique South” (2013) edited... Read more

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Jan 15

January 15, 2018

More About Tropical Fish Cleaners (esp. re Manta Rays as hosts)

A couple of things this week have spurred me on to write a couple of additional things about “Tropical Fish Cleaners and Their Mimics”. It started with a photo of a Bluestreak cleaner wrasse, Labroides dimidiatus, cleaning in the mouth of a giant moray, Gymnothorax javanicus, in Egypt (the Red Sea) on The Global Diving Community Facebook page.  It had... Read more

Posted in Bony fishes, Sharks & Rays | By

Dec 31

December 31, 2017

Bridled leatherjackets and Toothbrush leatherjackets

This photo was taken at Rapid Bay between the old and new jetties: The fish in the background, behind the adult Castelnau’s (aka Pretty polly) wrasse, is an older, juvenile Bridled leatherjacket. The leatherjacket is over a seagrass meadow, predominantly Amphibolis (aka ‘wireweed’).   The Bridled leatherjacket is one of our state’s smallest ‘leatheries’, and smallest of the several seagrass-dependent ‘niche... Read more

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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

Posted in Bony fishes, Sharks & Rays | 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 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 3

November 3, 2017

More About Cowfish in West Lakes and the Port River

It didn’t take long to get a response after publishing my article titled “The Occurrence of Cowfish in West Lakes & the Port River” online. The posting of the article on our website was immediately duplicated on our Facebook page. Almost immediately, Mike Bossley commented on Facebook: – “I have had reports of cowfish in West Lakes also, including a... Read more

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