Understanding, enjoying and caring for our oceans
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 […]
Further to More About Peculiar Colour Patterns in Fish, David Muirhead recently sighted yet another Moonlighter with an unusual pattern on its side. David photographed this Moonlighter during a dive at Carrickalinga on 16th April 2022: – Here is a cropped version of the photo: – This photo shows the […]
David Muirhead recently witnessed some unusual behaviour by a pair of Moonlighter, Tilodon sexfasciatus at Moonta Bay jetty (11th March 2022). He later posted four photos that he managed to take of the pair during his snorkel in the jetty swimming enclosure on iNaturalist. David reported his sighting thus: “Initially […]
I now have a copy of Edgar Waite and Herbert Hale’s “Review of the Lophobranchiate Fishes (Pipefishes and Seahorses) of South Australia”, thanks to the generosity of Robert Browne. The review is an ‘Authors’ Reprint’ “From Records of the South Australian Museum, Vol.1, No.4, January 29th, 1921”. Edgar R. Waite […]
Renate Honow took this photo of a school of silver drummer, Kyphosus sydneyanus at Christies Beach recently: – A school of silver drummer, Kyphosus sydneyanus at Christies Beach (Taken by Renate Honow) Note that the large fish in the centre of the photo (unusually) has a black head. This is […]