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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

"Great Boat with Friendly Staff"

Great boat with friendly staff, snacks and generally tea and coffee available on the Dolphin watch cruise and even alcohol available for purchase for that cheeky corona on the top deck. Perfect amount of time on the water to discover the beauties of the bay and capture a glimpse of the magnificent wildlife we are blessed to be surrounded by.