Fish Species Recorded from Sydney Harbour

Published on :

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 […]

Recreational Fishing’s Possible Impact On Wrasses That Have Historically Helped To Limit Sea Urchin Densities

Published on :

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 […]

How Free-swimming Temperate Pelagic Fish Approach a Cleaning Station

Published on :

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 […]

Fish Behaviour Observed During Autumn

Published on :

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 […]

Edgar Waite, Herbert Hale and Joseph Verco

Published on :

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 […]

More Unusual Black-headed Fish Sightings

Published on :

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 […]