Syngnathid Hotspot

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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 […]

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

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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 […]

The Colour of Fish

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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 […]

The Spines of Cowfish

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In our July 1987 newsletter (No.120), I wrote about the spines of cowfish. I reported having found several small cowfish, both Ornate and Shaw’s. Some were so small that they didn’t have any spines at all. A 2cm-diameter and a 2.5cm Ornate Cowfish did not have any spines at all. […]