This story will have me observing my koi's swimming patterns much more as I carefully for personaliy.
The way a fish swims reveals a lot about its personality, say scientists
This new research suggests experts can reliably measure animal personality simply from the way individual animals move, a type of micropersonality trait, and that the method could be used to help scientists understand about personality differences in wild animals.Personality has been described in all sorts of animal species, from ants to apes. Some individuals are shy and sedentary, while others are bold and active. Now a new study published in Ecology and Evolution has revealed that the way a fish swims tells us a lot about its personality.
Link to Story: The way a fish swims reveals a lot about its personality, say scientists (phys.org)