Author: David Muirhead

I was diving at the Rapid Bay jetties just before last Christmas. I took this photo of this dorsal view of Zebrafish being cleaned by Western Cleaner Clingfish, Cochleoceps bicolor:…

On 17th December 2023, the sea was flat calm. There was no wind, and partial to full sun, so water close to shore was surprisingly warm for the time of…

On 17th December 2023, I found this Little Pink Urchin, Amblypneustes elevatus at Lady Bay, Normanville in the shallowest subtidal at low tide at 2:09 pm. I have posted details…

Here is a photo of a school of Zebra Fish, Girella zebra at ‘Kaurna Pool’ (at Lady Bay, Normanville) during a snorkel that I did there on 11th December 2022:…

Following on from the presentation by some of our members at our September meeting, I thought this whole concept of ‘small group’ members presentations/discussions on current topics of interest was not…

I posted details on iNaturalist regarding my sighting of what appeared to be Giant Chitons, Plaxiphora albida at Fishery Beach on 15th September 2023. “These were quite common on this…

Further sightings of the Western Crested Morwong at Port Noarlunga is a good summary of what we have learned about the Western Crested Morwong’s presence in SA. Interesting that, as…

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…

The Nature Glenelg Trust (NGT) has been involved in researching and monitoring Goolwa pipi (cockles) population dynamics and associated aspects e.g. recreational pipi extraction impacts. Open season is currently November…

Whilst diving at the old Rapid Bay Jetty on 25th October I saw the first decent aggregation of the Great Spider Crab, Leptomithrax gaimardii that I’ve seen for some years…