It was once believed in China that otters have the habit of eating their fish by catching them and then lining them up, which resembled the way humans performed saishi (religious service) with offerings toward the sky.
かつて中国において、カワウソは捕らえた魚を並べてから食べる習性があり、その様はまるで人が祭祀を行い、天に供物を捧げる時のようであると信じられていた。