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logo 10/4/2024 9:35:34 PM     
Watch these minnows cluster together to save energy 
By Madeline Reinsel US Source: science 6/6/2024
Madeline Reinsel
 Here’s a riddle: How is a fish like a long-distance cyclist? Sure, they both need lots of water. But now researchers have found another parallel: Both huddle in groups, hiding behind their companions’ bodies to save energy.
 

In a study published today in PLOS Biology, researchers used high-speed cameras and a device that measured the fish’s oxygen consumption to track the movements and energy use of a type of large minnow called a giant danios (Devario aequipinnatus) in a laboratory tank.

  
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