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November 22, 2018

Bottlenose Dolphin V Octopus Jervis Bay

Bottlenose Dolphin V Octopus Jervis Bay

Bottlenose dolphins taking part in some Octopus wrangling!

Research published last year from Bunbury Western Australia carried out by Murdoch University explored how complex the process of Octopus handling can be for dolphins. (Similar latitude, water temps and depths).

Octopus are notoriously difficult to handle, It is thought these antics of tossing and shaking octopus, requiring the dolphin to arch it’s head and upper body out of the water is a socially transmitted or learned behaviour. Hunting this prey is risky business and has to be executed perfectly. There have been several accounts of dolphins coming off second best, with one dolphin known to have been suffocated by a 2.1kg octopus!!

With Octopus arms reacting even after being detached from the head!- Don’t know if that is gross, scary or awesome!!

Looks like this dolphin has some experience wrangling octopus around here!

We have observed this behaviour before and with Cuttlefish too!

You never know what you might see out there!

To get in on the action and antics of these wild dolphins make sure you jump out on a cruise.

To read more the article referenced is:

Sprogis, K. R., Raudino, H. C., Hocking, D., & Bejder, L. (2017). Complex prey handling of octopus by bottlenose dolphins (Tursiops aduncus). Marine Mammal Science33(3), 934-945.

(We have a PDF copy available on request).

 

Photos in Article- Marine Mammal Research

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On the 27th of September myself and my family went on the explorer out to see the whales, unfortunately the weather wasn't the best however we all felt like we were on a ride at dream world with the swell. Unfortunately no whales but with the no sighting return voucher, We Appreciated it so much. We then decided to extend our stay so we could try again this time to see the Dolphins, well that was a exciting experience with so many pods of dolphins to be seen and so many photos to be taken. Well worth recommending, Big thanks to our skipper (Tim) & His Crew Michelle, Alex & Therese. Fantastic Job