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Fish Driving Themselves Around On Land

When the fish swims in one direction, the sensor detects the movement and the entire moving fish tank moves in that direction -- a driving fish!

Here's a still photo excerpt from the GIF video linked above.

FishInMobileCart-2017.jpg
 
It's not clear whether the research described below is a latter day extension of the 2017 mobile fish research linked above.

A new research report in Behavioural Brain Research describes ongoing research in Israel, in which a goldfish was allowed to drive a mobile aquarium-cart very similar to the one illustrated above.

Here are the bibliographic details and abstract (excerpt) from the 2022 report.


Shachar Givon, Matan Samina, Ohad Ben-Shahar, Ronen Segev,
From fish out of water to new insights on navigation mechanisms in animals,
Behavioural Brain Research,
Volume 419, 2022, 113711, ISSN 0166-4328.
https://doi.org/10.1016/j.bbr.2021.113711

Abstract
Navigation is a critical ability for animal survival and is important for food foraging, finding shelter, seeking mates and a variety of other behaviors. Given their fundamental role and universal function in the animal kingdom, it makes sense to explore whether space representation and navigation mechanisms are dependent on the species, ecological system, brain structures, or whether they share general and universal properties. One way to explore this issue behaviorally is by domain transfer methodology, where one species is embedded in another species’ environment and must cope with an otherwise familiar (in our case, navigation) task. Here we push this idea to the limit by studying the navigation ability of a fish in a terrestrial environment. For this purpose, we trained goldfish to use a Fish Operated Vehicle (FOV), a wheeled terrestrial platform that reacts to the fish’s movement characteristics, location and orientation in its water tank to change the vehicle’s; i.e., the water tank’s, position in the arena. The fish were tasked to “drive” the FOV towards a visual target in the terrestrial environment, which was observable through the walls of the tank, and indeed were able to operate the vehicle, explore the new environment, and reach the target regardless of the starting point, all while avoiding dead-ends and correcting location inaccuracies. ...

FULL REPORT: https://www.sciencedirect.com/science/article/pii/S0166432821005994?dgcid=author#fig0005
 
Here's an illustration from the 2022 research report showing the latest fish cart and how the fish is enabled to navigate it in a room.

Fish-DrivenMobileCart-2022.jpg
 
The idea is rather obvious. I do however wonder if the fish can see anything outside it's tank.
 
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