Giant Cuttlefish returns to the Spencer Gulf for Coitis

South Australian scientists are ecstatic to find that the Great Australian Cuttlefish has returned to the Spencer Gulf for breeding this year. Their numbers have been down over the last few years and scientists don’t know why, or where they went.

The Great Australian Cuttlefish can weigh up to 13kg. Image: Howard Womersley.

The cuttlefish, with it’s blue blood pumped through three hearts, and the ability to change colour at the drop of a shell, makes the cuttlefish an enigmatic creature to say the least.

The increase in the breeding aggregation numbers this year is also a source of interest to scientists.

“We’ve looked at a whole range of biotic and abotic factors that could have contributed to it, but nothing jumps out.” says Professor Bronwyn Gillanders.

Gillanders says she is quite excited to that there were a lot sighted early in the season, but that the proof will be when surveys are completed to estimate the abundances on this years breeding aggregation.

Listen to Bronwyn Gillanders speak about the cuttlefish on ABC Rural.

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