Tandon in the News

ScienceShot: Robot Fish Fools Its Companions


Zebrafish aren't picky when it comes to making friends. A new study reveals that the 3-centimeter-long swimmers—the "lab rats" of aquatic science—will hang around a robotic fish, even a crudely designed one. The robot has features previously shown to attract both male and female zebrafish: the plump round shape of an egg-laden female zebrafish, bright blue stripes in the pattern sported by the species, and a flexible tail that can be moved back and forth. Even though the makeshift model is a whopping five times the size of an adult zebrafish (several shown in background at right), both single zebrafish and groups preferred mingling with the robot to spending time elsewhere in the tank, the researchers report online today in Bioinspiration & Biomimetics

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