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Pet Life

Goldfish can drive fish tank on wheels, Israel study finds

Agence France-Presse
Goldfish can drive fish tank on wheels, Israel study finds

ISRAEL — Goldfish may have short memories but, according to an Israeli university study, they might be able to drive. 

Researchers at Ben-Gurion University of the Negev found that a goldfish's innate navigational abilities allowed it to steer a robotic vehicle towards a terrestrial target if given a food reward.

To conduct their unusual experiment, the team placed a fish tank on a set of motorised wheels. 

A camera system then recorded the fish's movements in the water and translated it into navigational directions -- effectively moving the contraption in the direction where the fish bumped up against the glass.

In a video released by the university, the fish can be seen "driving" the vehicle toward a visual target, a colourful mark on the wall of the experiment room, visible through the clear sides of the tank.

When the fish steered the vehicle to the mark, it received a food reward.

"After a few days of training, the fish navigated to the target," the university team said in a press release. 

"Moreover, they were able to do so even if they were interrupted in the middle by hitting a wall and they were not fooled by false targets placed by the researchers."

The peer-reviewed research, published in the Behavioural Brain Research journal, "hints that navigational ability is universal rather than specific to the environment," said Shachar Givon, a PhD student at the university's Life Sciences department who worked on the experiment. 

GOLDFISH

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