Understanding, enjoying and caring for our oceans
40 years ago, back in 1983, there was no Internet whilst I was the Editor for our Society’s newsletter. I still could have done a little more research towards the April issue of our newsletter that year though. An elderly relative told me a tale about how a fish tagged […]
In 2011, this Common Weedfish, Heteroclinus perspicillatus, was stalking a Rockpool shrimp, Palaemon serenus, which it later consumed. (As posted at https://inaturalist.ala.org.au/observations/10002537#activity_comment_948643c9-28f5-4479-b730-e7f9dd2e9a28 ) Both these weedfishes and shrimps are very common in these particular tide pools and channels at Haycock Point, Carrickalinga. The weedfishes and shrimps often appear at peace […]
(This article is a re-write of one published in our 2006 Journal, because it was only one of the early drafts that was published in error and some of the intended information was missing. I attempted to rectify the error by having Part 2 published in our 2007 Journal. Now, […]
One of the earliest observations that we made during our dive at the old Rapid Bay jetty on 9th December 2022 was that the Scaly Fins were guarding the egg nests. They became quite aggressive when we approached anywhere near to their nests. They would swim straight at our face […]
According to an article on the Australian Museum blog, The fish list: A decade in the making by Dr Joseph DiBattista, Curator, Ichthyology, Australian Museum, “the number of fish species recorded from Sydney Harbour now stands at 675 (Based on independent data sources)”. (The Staff Profile for Dr Joseph DiBattista […]
My snorkel buddy Dan and I sighted this Smooth Stingray, Bathytoshia brevicaudata, in Angas Inlet (between Torrens Island & Garden Island) in early February 2017: – We had been snorkelling at the Garden Island fishing platform (jetty?) before we decided to swim across Angas Inlet to Torrens Island. It was […]
Canopy algae are a major component of Blue Carbon fixation. Whilst diving at The Bluff (Rosetta Head) on 27th October 2022, I found this Western Pacific Purple Sea Urchin, Heliocidaris erythrogramma: – I have posted it on iNaturalist, along with the following details, at https://inaturalist.ala.org.au/observations/140727962 . Overall, I saw relatively […]
This is an old low, resolution slide scan of an adult tubemouth, Siphonognathus argyrophanes, likely being cleaned by some pencil weed whiting among the Posidonia under the eastern arm of the T-section of the old outer Rapid Bay jetty in around October 1992: – (The photo is suggestive but not […]
David Muirhead recently posted this photo of a bluethroat wrasse, Notolabrus tetricus from old Rapid Bay jetty on 1st October 2022 on iNaturalist at https://inaturalist.ala.org.au/observations/139393179 : – David gave the posting the following description (but with my punctuation, or the computer’s): – “SUBJECT is the wrasse parked vertically near the […]
Society member Chris Iwanicki found this ‘fishing photo’ of a Harlequin Fish recently: – He brought it to our attention, saying “This picture reminded me again of the fact that most of the marine life has not any sort of protections in place and this needs to change to preserve […]