Viewing: Coral

Oct 15

October 15, 2014

A Swimming Anemone’s mistaken identity

The unusual form of the Swimming Anemone was recently mistaken for a bubble coral. Fortunately the Marine Life Society of South Australia’s expert eyes picked up on the error and politely set the record straight. Invertebrate blogger and author of Aristotle’s Lantern Heather Lynn initially suggested on Facebook that the following photo was beyond its known range of distribution. Guerilla Bay... Read more

Posted in Citizen Science, Cnidaria, Coral, intertidal zone | By

Oct 7

October 7, 2014

cuttlefish and purple sea urchin at Point Lowly by Dan Monceaux

Aristotle’s lantern and other ‘invertebrate bits’ by Heather Robertson

Heather Lynn Robertson/Stoker writes a blog on marine invertebrates entitled Aristotle’s Lantern. As the title of her blog suggests, Heather seems to be particularly keen on sea urchins. In her own words, “Aristotle’s lantern… is a hard, calcareous feeding structure comprised of very intricate parts unique to sea urchins.” Here is a small excerpt from one of Heather’s recent blog... Read more

Posted in Cephalopods, Cnidaria, Coral, Creative writing | By

Sep 24

September 24, 2014

The carbon footprint of dive tourism – are we loving our oceans to death?

It is with mixed feelings that I frequently see people I know raving about their next dose of international ecotourism, be it diving with whales in Tonga or on tropical reefs in any of our Pacific island neighbours’ waters. On the one hand, I respect my peers enthusiasm for diving, for exploring the natural world and for seeking out intimate experiences... Read more

Posted in Climate change, Coral, Crustaceans, Molluscs, Pollution, Stormwater | By

May 30

May 30, 1997

Corals & Sponges

Growing A Mineral Base For Coral Growth

The January 17 issue of “Australian Doctor” told of the use of electricity to create a base that coral could grow on. Dr Karl Kruszenelnicki’s “Wierd Science” column tells how magnesium and calcium-based minerals build up when electricity is passed through sea water. A layer of minerals 20cm thick took three years to build up. These acted as a base... Read more

Posted in Coral | By