GeoLog

Imaggeo On Monday: Giant Australian Cuttlefish in the Spencer Gulf, South Australia

Imaggeo On Monday: Giant Australian Cuttlefish in the Spencer Gulf, South Australia

In the shadow of the Santos oil and gas processing plant and export terminal lies the only place in the world where cuttlefish come together by the tens of thousands to mate every winter. The unique geology of the area, with a seafloor composed of bedrock and tabular quartzite blocks, makes for an ideal egg-laying habitat, and thus is an attractive breeding ground for the Australian Giant Cuttlefish (Sepia apama). Threatened in the past by overfishing and a desalinization plant that would have discharged large volumes of brine, the breeding ground is now a protected marine area, and numbers have increased in recent years. However, climate change, shipping, and further industrialization of the area could still impact this spectacular and unique event in the future.

 

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Description by John Counts, after the description on imaggeo.egu.eu.

 

Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this repository and, since it is open access, these images can be used for free by scientists for their presentations or publications, by educators and the general public, and some images can even be used freely for commercial purposes. Photographers also retain full rights of use, as Imaggeo images are licensed and distributed by the EGU under a Creative Commons licence. Submit your photos at http://imaggeo.egu.eu/upload/.

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This guest post was contributed by a scientist, student or a professional in the Earth, planetary or space sciences. The EGU blogs welcome guest contributions, so if you've got a great idea for a post or fancy trying your hand at science communication, please contact the blog editor or the EGU Communications Officer to pitch your idea.


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