Southern bluefin tuna can’t even have a quiet snack without CSIRO researchers knowing. They’ve developed a way of tracking when the tuna feed and also where, at what depth, and the temperature of the surrounding water.
Certain small reef fish use wing-like fins to ‘fly’ underwater, allowing them to cruise at speeds equivalent to tuna, a team of Australian and US researchers has found. The design of the fins has drawn the attention of underwater submersible designers and the US Office of Naval Research.
Bluefin tuna use three times as much oxygen as other fish their size, making them more difficult to culture. That’s just part of the valuable information uncovered by University of Adelaide PhD student, Quinn Fitzgibbon and his colleagues in a study where they monitored live tuna swimming inside a 350-tonne “waterbed”.
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