ABOVE: A pair of Labroides dimidiatus cleaner fish cleaning a puffer fish
Cleaner Fish Alter Behavior if Partners Can See Them “Cheating”
A study of feeding behavior suggests the fish feed differently in front of their partners—a behavioral feature also found in primates.
ABOVE: © ISTOCK.COM, HANSGERTBROEDER
Cleaner Fish Alter Behavior if Partners Can See Them “Cheating”
Cleaner Fish Alter Behavior if Partners Can See Them “Cheating”

A study of feeding behavior suggests the fish feed differently in front of their partners—a behavioral feature also found in primates.

A study of feeding behavior suggests the fish feed differently in front of their partners—a behavioral feature also found in primates.

ABOVE: © ISTOCK.COM, HANSGERTBROEDER

theory of mind

What a Video Game Can Reveal About Monkeys’ Minds
Shawna Williams | Apr 1, 2021
Researchers find that the animals can account for others’ behavior and circumstances in their strategies.
Apes Seem Capable of Inferring Others’ Thoughts
Bob Grant | Oct 7, 2016
Researchers suggest that some nonhuman primates can anticipate the actions of other animals.