Robotic red snapper probes the Japanese seas
A robotic red snapper has been developed by engineers at the University of Kitakyushu. With a full battery it can bop about in the sea for up to an hour, sensors absorbing data. Despite what the cutaway image might imply, it does not end its dive with two sticks of cartoon dynomite sending it exploding to the surface in little hunks of robot sashimi.
北九州市立大学ひびきのキャンパスで鯛ロボット公開 [Robot.Watch.Impress.co.jp via Pink Tentacle

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Does it sing, "Don't Worry, Be Happy?"
I can think of a number of good rational reasons for making it look so true to life but doesn't that also make it more likely to be attacked / consumed 'in the wild' ?
I await the follow up story where environmental protestors demand an impact study on the effects of devouring robotic fish on various sea predators
I'm confused by how my browser gets sent to the pink tentacle page when I click on the embedded youtube player.
Robot Sashimi! Hey, I've got the ingredients!
Perhaps, considering how small the bots are, I should settle for some Robot Saviche...